315263217774220 has 48 divisors (see below), whose sum is σ = 662802135762816. Its totient is φ = 125962619904000.

The previous prime is 315263217774209. The next prime is 315263217774227. The reversal of 315263217774220 is 22477712362513.

It is not an unprimeable number, because it can be changed into a prime (315263217774227) 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, 68334060 + ... + 72801580.

It is an arithmetic number, because the mean of its divisors is an integer number (13808377828392).

Almost surely, 2^{315263217774220} is an apocalyptic number.

It is an amenable number.

315263217774220 is an abundant number, since it is smaller than the sum of its proper divisors (347538917988596).

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

315263217774220 is a wasteful number, since it uses less digits than its factorization.

315263217774220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4471522 (or 4471520 counting only the distinct ones).

The product of its (nonzero) digits is 5927040, while the sum is 52.

The spelling of 315263217774220 in words is "three hundred fifteen trillion, two hundred sixty-three billion, two hundred seventeen million, seven hundred seventy-four thousand, two hundred twenty".