26604406704 has 20 divisors (see below), whose sum is σ = 68728050776. Its totient is φ = 8868135552.

The previous prime is 26604406691. The next prime is 26604406711. The reversal of 26604406704 is 40760440662.

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, 277129189 + ... + 277129284.

Almost surely, 2^26604406704 is an apocalyptic number.

26604406704 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

26604406704 is an abundant number, since it is smaller than the sum of its proper divisors (42123644072).

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

26604406704 is a wasteful number, since it uses less digits than its factorization.

26604406704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554258484 (or 554258478 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 39.

The spelling of 26604406704 in words is "twenty-six billion, six hundred four million, four hundred six thousand, seven hundred four".