5312805979680 has 120 divisors (see below), whose sum is σ = 18749777815692. Its totient is φ = 1416748257792.

The previous prime is 5312805979661. The next prime is 5312805979687. The reversal of 5312805979680 is 869795082135.

5312805979680 is a `hidden beast` number, since 5 + 31 + 2 + 8 + 0 + 597 + 9 + 6 + 8 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4839665605776 + 473140373904 = 2199924^2 + 687852^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is not an unprimeable number, because it can be changed into a prime (5312805979687) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 204956407 + ... + 204982326.

Almost surely, 2^{5312805979680} is an apocalyptic number.

It is an amenable number.

5312805979680 is an abundant number, since it is smaller than the sum of its proper divisors (13436971836012).

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

5312805979680 is a wasteful number, since it uses less digits than its factorization.

5312805979680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409938760 (or 409938743 counting only the distinct ones).

The product of its (nonzero) digits is 32659200, while the sum is 63.

The spelling of 5312805979680 in words is "five trillion, three hundred twelve billion, eight hundred five million, nine hundred seventy-nine thousand, six hundred eighty".