315316553240 has 128 divisors (see below), whose sum is σ = 795940084800. Its totient is φ = 111659335680.

The previous prime is 315316553207. The next prime is 315316553267. The reversal of 315316553240 is 42355613513.

It is a junction number, because it is equal to n+sod(n) for n = 315316553194 and 315316553203.

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, 1132544 + ... + 1383216.

Almost surely, 2^315316553240 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 315316553240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (397970042400).

315316553240 is an abundant number, since it is smaller than the sum of its proper divisors (480623531560).

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

315316553240 is a wasteful number, since it uses less digits than its factorization.

315316553240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250797 (or 250793 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 38.

The spelling of 315316553240 in words is "three hundred fifteen billion, three hundred sixteen million, five hundred fifty-three thousand, two hundred forty".