315455240 has 32 divisors (see below), whose sum is σ = 710285760. Its totient is φ = 126091200.

The previous prime is 315455237. The next prime is 315455299. The reversal of 315455240 is 42554513.

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, 94805 + ... + 98075.

It is an arithmetic number, because the mean of its divisors is an integer number (22196430).

Almost surely, 2^315455240 is an apocalyptic number.

It is an amenable number.

315455240 is an abundant number, since it is smaller than the sum of its proper divisors (394830520).

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

315455240 is a wasteful number, since it uses less digits than its factorization.

315455240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5693 (or 5689 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 315455240 is about 17761.0596530725. The cubic root of 315455240 is about 680.7368310576.

The spelling of 315455240 in words is "three hundred fifteen million, four hundred fifty-five thousand, two hundred forty".