315656253480 has 64 divisors (see below), whose sum is σ = 962492860800. Its totient is φ = 82795080960.

The previous prime is 315656253457. The next prime is 315656253481. The reversal of 315656253480 is 84352656513.

It is a super-2 number, since 2×315656253480² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (315656253481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21553900 + ... + 21568539.

It is an arithmetic number, because the mean of its divisors is an integer number (15038950950).

Almost surely, 2^315656253480 is an apocalyptic number.

315656253480 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

315656253480 is an abundant number, since it is smaller than the sum of its proper divisors (646836607320).

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

315656253480 is a wasteful number, since it uses less digits than its factorization.

315656253480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43122514 (or 43122510 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 48.

The spelling of 315656253480 in words is "three hundred fifteen billion, six hundred fifty-six million, two hundred fifty-three thousand, four hundred eighty".