26604406674 has 12 divisors (see below), whose sum is σ = 57642881166. Its totient is φ = 8868135552.

The previous prime is 26604406643. The next prime is 26604406687. The reversal of 26604406674 is 47660440662.

26604406674 is a `hidden beast` number, since 26 + 60 + 440 + 66 + 74 = 666.

It can be written as a sum of positive squares in only one way, i.e., 22697531649 + 3906875025 = 150657^2 + 62505^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 739011279 + ... + 739011314.

Almost surely, 2^26604406674 is an apocalyptic number.

26604406674 is an abundant number, since it is smaller than the sum of its proper divisors (31038474492).

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

26604406674 is a wasteful number, since it uses less digits than its factorization.

26604406674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1478022601 (or 1478022598 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 45.

The spelling of 26604406674 in words is "twenty-six billion, six hundred four million, four hundred six thousand, six hundred seventy-four".