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3440545542 = 2327671093739
BaseRepresentation
bin1100110100010010…
…1000111100000110
322212202222211012200
43031010220330012
524021234424132
61325222455330
7151155104010
oct31504507406
98782884180
103440545542
111506109875
12800294546
1342aa50a85
14248d231b0
151520b5d7c
hexcd128f06

3440545542 has 96 divisors (see below), whose sum is σ = 8728262400. Its totient is φ = 959200704.

The previous prime is 3440545501. The next prime is 3440545543. The reversal of 3440545542 is 2455450443.

3440545542 is a `hidden beast` number, since 34 + 40 + 5 + 45 + 542 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 3440545497 and 3440545506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3440545543) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 918309 + ... + 922047.

It is an arithmetic number, because the mean of its divisors is an integer number (90919400).

Almost surely, 23440545542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3440545542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4364131200).

3440545542 is an abundant number, since it is smaller than the sum of its proper divisors (5287716858).

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

3440545542 is a wasteful number, since it uses less digits than its factorization.

3440545542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3930 (or 3927 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 36.

The square root of 3440545542 is about 58656.1637170383. The cubic root of 3440545542 is about 1509.6482583486.

Adding to 3440545542 its reverse (2455450443), we get a palindrome (5895995985).

The spelling of 3440545542 in words is "three billion, four hundred forty million, five hundred forty-five thousand, five hundred forty-two".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 67 109 126 134 201 218 327 402 469 603 654 763 938 981 1206 1407 1526 1962 2289 2814 3739 4221 4578 6867 7303 7478 8442 11217 13734 14606 21909 22434 26173 33651 43818 51121 52346 65727 67302 78519 102242 131454 153363 157038 235557 250513 306726 407551 460089 471114 501026 751539 815102 920178 1222653 1503078 1753591 2254617 2445306 2852857 3507182 3667959 4509234 5260773 5705714 7335918 8558571 10521546 15782319 17117142 25675713 27305917 31564638 51351426 54611834 81917751 163835502 191141419 245753253 382282838 491506506 573424257 1146848514 1720272771 3440545542