26627864264 has 32 divisors (see below), whose sum is σ = 52908622200. Its totient is φ = 12541294080.

The previous prime is 26627864257. The next prime is 26627864281. The reversal of 26627864264 is 46246872662.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 19004828164 + 7623036100 = 137858^2 + 87310^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1390187 + ... + 1409210.

Almost surely, 2^26627864264 is an apocalyptic number.

It is an amenable number.

26627864264 is a deficient number, since it is larger than the sum of its proper divisors (26280757936).

26627864264 is a wasteful number, since it uses less digits than its factorization.

26627864264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2799473 (or 2799469 counting only the distinct ones).

The product of its digits is 9289728, while the sum is 53.

The spelling of 26627864264 in words is "twenty-six billion, six hundred twenty-seven million, eight hundred sixty-four thousand, two hundred sixty-four".