315940880 has 40 divisors (see below), whose sum is σ = 766504512. Its totient is φ = 120881024.

The previous prime is 315940879. The next prime is 315940901. The reversal of 315940880 is 88049513.

It is a tau number, because it is divible by the number of its divisors (40).

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, 84014 + ... + 87693.

Almost surely, 2^315940880 is an apocalyptic number.

It is an amenable number.

315940880 is an abundant number, since it is smaller than the sum of its proper divisors (450563632).

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

315940880 is a wasteful number, since it uses less digits than its factorization.

315940880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171743 (or 171737 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 315940880 is about 17774.7258769299. The cubic root of 315940880 is about 681.0859809945.

The spelling of 315940880 in words is "three hundred fifteen million, nine hundred forty thousand, eight hundred eighty".