15317934272 has 56 divisors (see below), whose sum is σ = 31588252800. Its totient is φ = 7362017280.

The previous prime is 15317934259. The next prime is 15317934323. The reversal of 15317934272 is 27243971351.

It is a super-2 number, since 2×15317934272² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269708 + ... + 321524.

Almost surely, 2^15317934272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15317934272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15794126400).

15317934272 is an abundant number, since it is smaller than the sum of its proper divisors (16270318528).

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

15317934272 is a wasteful number, since it uses less digits than its factorization.

15317934272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52009 (or 51999 counting only the distinct ones).

The product of its digits is 317520, while the sum is 44.

The spelling of 15317934272 in words is "fifteen billion, three hundred seventeen million, nine hundred thirty-four thousand, two hundred seventy-two".