26604421475328 has 132 divisors (see below), whose sum is σ = 77424572509440. Its totient is φ = 8798312226816.

The previous prime is 26604421475323. The next prime is 26604421475339. The reversal of 26604421475328 is 82357412440662.

It is a happy number.

26604421475328 is a `hidden beast` number, since 2 + 6 + 6 + 0 + 44 + 21 + 47 + 532 + 8 = 666.

It is a super-2 number, since 2×26604421475328² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26604421475323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10194783 + ... + 12535646.

Almost surely, 2^{26604421475328} is an apocalyptic number.

It is an amenable number.

26604421475328 is an abundant number, since it is smaller than the sum of its proper divisors (50820151034112).

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

26604421475328 is a wasteful number, since it uses less digits than its factorization.

26604421475328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22730582 (or 22730561 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 54.

The spelling of 26604421475328 in words is "twenty-six trillion, six hundred four billion, four hundred twenty-one million, four hundred seventy-five thousand, three hundred twenty-eight".