315477734522440 has 64 divisors (see below), whose sum is σ = 823336347715200. Its totient is φ = 106549409691648.

The previous prime is 315477734522417. The next prime is 315477734522527. The reversal of 315477734522440 is 44225437774513.

It is a super-2 number, since 2×315477734522440² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8408236425 + ... + 8408273944.

It is an arithmetic number, because the mean of its divisors is an integer number (12864630433050).

Almost surely, 2^{315477734522440} is an apocalyptic number.

It is an amenable number.

315477734522440 is an abundant number, since it is smaller than the sum of its proper divisors (507858613192760).

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

315477734522440 is a wasteful number, since it uses less digits than its factorization.

315477734522440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16816510454 (or 16816510450 counting only the distinct ones).

The product of its (nonzero) digits is 79027200, while the sum is 58.

The spelling of 315477734522440 in words is "three hundred fifteen trillion, four hundred seventy-seven billion, seven hundred thirty-four million, five hundred twenty-two thousand, four hundred forty".