315557633272 has 32 divisors (see below), whose sum is σ = 711784137600. Its totient is φ = 128121143904.

The previous prime is 315557633249. The next prime is 315557633311. The reversal of 315557633272 is 272336755513.

It is a congruent number.

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, 148287298 + ... + 148289425.

It is an arithmetic number, because the mean of its divisors is an integer number (22243254300).

Almost surely, 2^315557633272 is an apocalyptic number.

It is an amenable number.

315557633272 is an abundant number, since it is smaller than the sum of its proper divisors (396226504328).

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

315557633272 is a wasteful number, since it uses less digits than its factorization.

315557633272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296576755 (or 296576751 counting only the distinct ones).

The product of its digits is 3969000, while the sum is 49.

The spelling of 315557633272 in words is "three hundred fifteen billion, five hundred fifty-seven million, six hundred thirty-three thousand, two hundred seventy-two".