22640668758 has 24 divisors (see below), whose sum is σ = 49212526896. Its totient is φ = 7522621200.

The previous prime is 22640668733. The next prime is 22640668777. The reversal of 22640668758 is 85786604622.

22640668758 is a `hidden beast` number, since 226 + 406 + 6 + 8 + 7 + 5 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

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, 2016613 + ... + 2027808.

It is an arithmetic number, because the mean of its divisors is an integer number (2050521954).

Almost surely, 2^22640668758 is an apocalyptic number.

22640668758 is an abundant number, since it is smaller than the sum of its proper divisors (26571858138).

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

22640668758 is a wasteful number, since it uses less digits than its factorization.

22640668758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4044740 (or 4044737 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 54.

The spelling of 22640668758 in words is "twenty-two billion, six hundred forty million, six hundred sixty-eight thousand, seven hundred fifty-eight".