26604101904 has 20 divisors (see below), whose sum is σ = 68727263376. Its totient is φ = 8868033952.

The previous prime is 26604101893. The next prime is 26604101921. The reversal of 26604101904 is 40910140662.

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, 277126014 + ... + 277126109.

Almost surely, 2^26604101904 is an apocalyptic number.

26604101904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

26604101904 is an abundant number, since it is smaller than the sum of its proper divisors (42123161472).

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

26604101904 is a wasteful number, since it uses less digits than its factorization.

26604101904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554252134 (or 554252128 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The spelling of 26604101904 in words is "twenty-six billion, six hundred four million, one hundred one thousand, nine hundred four".