23638680115290 has 24 divisors (see below), whose sum is σ = 61460568299988. Its totient is φ = 6303648030720.

The previous prime is 23638680115273. The next prime is 23638680115301. The reversal of 23638680115290 is 9251108683632.

23638680115290 is a `hidden beast` number, since 2 + 3 + 6 + 38 + 6 + 80 + 1 + 1 + 529 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 23202458173449 + 436221941841 = 4816893^2 + 660471^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 131326000551 + ... + 131326000730.

Almost surely, 2^{23638680115290} is an apocalyptic number.

23638680115290 is an abundant number, since it is smaller than the sum of its proper divisors (37821888184698).

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

23638680115290 is a wasteful number, since it uses less digits than its factorization.

23638680115290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262652001294 (or 262652001291 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 23638680115290 in words is "twenty-three trillion, six hundred thirty-eight billion, six hundred eighty million, one hundred fifteen thousand, two hundred ninety".