315530732880 has 160 divisors (see below), whose sum is σ = 1185630721920. Its totient is φ = 76492293120.

The previous prime is 315530732861. The next prime is 315530732927. The reversal of 315530732880 is 88237035513.

315530732880 is a `hidden beast` number, since 3 + 1 + 5 + 530 + 7 + 32 + 8 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6616197 + ... + 6663716.

It is an arithmetic number, because the mean of its divisors is an integer number (7410192012).

Almost surely, 2^315530732880 is an apocalyptic number.

315530732880 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

315530732880 is an abundant number, since it is smaller than the sum of its proper divisors (870099989040).

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

315530732880 is a wasteful number, since it uses less digits than its factorization.

315530732880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13279946 (or 13279934 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 315530732880 in words is "three hundred fifteen billion, five hundred thirty million, seven hundred thirty-two thousand, eight hundred eighty".