26688622804 has 12 divisors (see below), whose sum is σ = 46926442528. Its totient is φ = 13281067800.

The previous prime is 26688622691. The next prime is 26688622811. The reversal of 26688622804 is 40822688662.

It is a congruent number.

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, 15809952 + ... + 15811639.

Almost surely, 2^26688622804 is an apocalyptic number.

It is an amenable number.

26688622804 is a deficient number, since it is larger than the sum of its proper divisors (20237819724).

26688622804 is a wasteful number, since it uses less digits than its factorization.

26688622804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31621806 (or 31621804 counting only the distinct ones).

The product of its (nonzero) digits is 3538944, while the sum is 52.

The spelling of 26688622804 in words is "twenty-six billion, six hundred eighty-eight million, six hundred twenty-two thousand, eight hundred four".