26566026408 has 32 divisors (see below), whose sum is σ = 73794518400. Its totient is φ = 8855342064.

The previous prime is 26566026401. The next prime is 26566026449. The reversal of 26566026408 is 80462066562.

26566026408 is a `hidden beast` number, since 26 + 566 + 0 + 2 + 64 + 0 + 8 = 666.

It is a super-2 number, since 2×26566026408² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (26566026401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61495216 + ... + 61495647.

It is an arithmetic number, because the mean of its divisors is an integer number (2306078700).

Almost surely, 2^26566026408 is an apocalyptic number.

It is an amenable number.

26566026408 is an abundant number, since it is smaller than the sum of its proper divisors (47228491992).

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

26566026408 is a wasteful number, since it uses less digits than its factorization.

26566026408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122990878 (or 122990868 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The spelling of 26566026408 in words is "twenty-six billion, five hundred sixty-six million, twenty-six thousand, four hundred eight".