315490464 has 120 divisors (see below), whose sum is σ = 944032320. Its totient is φ = 103330944.

The previous prime is 315490457. The next prime is 315490489. The reversal of 315490464 is 464094513.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 151897 + ... + 153959.

It is an arithmetic number, because the mean of its divisors is an integer number (7866936).

Almost surely, 2^315490464 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 315490464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (472016160).

315490464 is an abundant number, since it is smaller than the sum of its proper divisors (628541856).

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

315490464 is a wasteful number, since it uses less digits than its factorization.

315490464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2144 (or 2127 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 315490464 is about 17762.0512328954. The cubic root of 315490464 is about 680.7621673322.

The spelling of 315490464 in words is "three hundred fifteen million, four hundred ninety thousand, four hundred sixty-four".