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4244344240 = 245431518171
BaseRepresentation
bin1111110011111011…
…1000110110110000
3101221210111000201211
43330332320312300
532143023003430
61541055005504
7210115221313
oct37476706660
911853430654
104244344240
111888904714
129a5509894
135284339c6
142c399a97a
1519c93d72a
hexfcfb8db0

4244344240 has 80 divisors (see below), whose sum is σ = 10165706496. Its totient is φ = 1647072000.

The previous prime is 4244344201. The next prime is 4244344243. The reversal of 4244344240 is 424434424.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (4244344243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 515355 + ... + 523525.

Almost surely, 24244344240 is an apocalyptic number.

4244344240 is a gapful number since it is divisible by the number (40) 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 4244344240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5082853248).

4244344240 is an abundant number, since it is smaller than the sum of its proper divisors (5921362256).

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

4244344240 is a wasteful number, since it uses less digits than its factorization.

4244344240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8378 (or 8372 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 31.

The square root of 4244344240 is about 65148.6319119596. The cubic root of 4244344240 is about 1619.0870535603.

Adding to 4244344240 its reverse (424434424), we get a palindrome (4668778664).

The spelling of 4244344240 in words is "four billion, two hundred forty-four million, three hundred forty-four thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 43 80 86 151 172 215 302 344 430 604 688 755 860 1208 1510 1720 2416 3020 3440 6040 6493 8171 12080 12986 16342 25972 32465 32684 40855 51944 64930 65368 81710 103888 129860 130736 163420 259720 326840 351353 519440 653680 702706 1233821 1405412 1756765 2467642 2810824 3513530 4935284 5621648 6169105 7027060 9870568 12338210 14054120 19741136 24676420 28108240 49352840 53054303 98705680 106108606 212217212 265271515 424434424 530543030 848868848 1061086060 2122172120 4244344240