26812628264 has 16 divisors (see below), whose sum is σ = 50528877300. Its totient is φ = 13338260992.

The previous prime is 26812628251. The next prime is 26812628287. The reversal of 26812628264 is 46282621862.

It can be written as a sum of positive squares in 2 ways, for example, as 24164702500 + 2647925764 = 155450^2 + 51458^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8504969 + ... + 8508120.

Almost surely, 2^26812628264 is an apocalyptic number.

It is an amenable number.

26812628264 is a deficient number, since it is larger than the sum of its proper divisors (23716249036).

26812628264 is a wasteful number, since it uses less digits than its factorization.

26812628264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17013292 (or 17013288 counting only the distinct ones).

The product of its digits is 884736, while the sum is 47.

The spelling of 26812628264 in words is "twenty-six billion, eight hundred twelve million, six hundred twenty-eight thousand, two hundred sixty-four".