315868480 has 28 divisors (see below), whose sum is σ = 752162580. Its totient is φ = 126347264.

The previous prime is 315868471. The next prime is 315868481. The reversal of 315868480 is 84868513.

It can be written as a sum of positive squares in 2 ways, for example, as 238146624 + 77721856 = 15432^2 + 8816^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315868481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 493225 + ... + 493864.

Almost surely, 2^315868480 is an apocalyptic number.

It is an amenable number.

315868480 is an abundant number, since it is smaller than the sum of its proper divisors (436294100).

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

315868480 is an equidigital number, since it uses as much as digits as its factorization.

315868480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987106 (or 987096 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 43.

The square root of 315868480 is about 17772.6891606194. The cubic root of 315868480 is about 681.0339518595.

The spelling of 315868480 in words is "three hundred fifteen million, eight hundred sixty-eight thousand, four hundred eighty".