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3444403440 = 2435411991759
BaseRepresentation
bin1100110101001101…
…0110110011110000
322220001020211020210
43031103112303300
524023231402230
61325441304120
7151232642352
oct31523266360
98801224223
103444403440
111508304315
12801635040
1342b7a1a5a
142496490d2
151525c8eb0
hexcd4d6cf0

3444403440 has 160 divisors (see below), whose sum is σ = 10999296000. Its totient is φ = 891095040.

The previous prime is 3444403423. The next prime is 3444403441. The reversal of 3444403440 is 443044443.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 3444403398 and 3444403407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3444403441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1957281 + ... + 1959039.

It is an arithmetic number, because the mean of its divisors is an integer number (68745600).

Almost surely, 23444403440 is an apocalyptic number.

3444403440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3444403440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5499648000).

3444403440 is an abundant number, since it is smaller than the sum of its proper divisors (7554892560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3444403440 is a wasteful number, since it uses less digits than its factorization.

3444403440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2015 (or 2009 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 30.

The square root of 3444403440 is about 58689.0402034315. The cubic root of 3444403440 is about 1510.2123058647.

Adding to 3444403440 its reverse (443044443), we get a palindrome (3887447883).

The spelling of 3444403440 in words is "three billion, four hundred forty-four million, four hundred three thousand, four hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 41 48 60 80 82 120 123 164 199 205 240 246 328 398 410 492 597 615 656 796 820 984 995 1194 1230 1592 1640 1759 1968 1990 2388 2460 2985 3184 3280 3518 3980 4776 4920 5277 5970 7036 7960 8159 8795 9552 9840 10554 11940 14072 15920 16318 17590 21108 23880 24477 26385 28144 32636 35180 40795 42216 47760 48954 52770 65272 70360 72119 81590 84432 97908 105540 122385 130544 140720 144238 163180 195816 211080 216357 244770 288476 326360 350041 360595 391632 422160 432714 489540 576952 652720 700082 721190 865428 979080 1050123 1081785 1153904 1400164 1442380 1730856 1750205 1958160 2100246 2163570 2800328 2884760 3461712 3500410 4200492 4327140 5250615 5600656 5769520 7000820 8400984 8654280 10501230 14001640 14351681 16801968 17308560 21002460 28003280 28703362 42004920 43055043 57406724 71758405 84009840 86110086 114813448 143516810 172220172 215275215 229626896 287033620 344440344 430550430 574067240 688880688 861100860 1148134480 1722201720 3444403440