22040610804 has 36 divisors (see below), whose sum is σ = 55724743620. Its totient is φ = 7345422720.

The previous prime is 22040610799. The next prime is 22040610833. The reversal of 22040610804 is 40801604022.

22040610804 is a `hidden beast` number, since 2 + 2 + 0 + 40 + 610 + 8 + 0 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 10363647204 + 11676963600 = 101802^2 + 108060^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×22040610804² (a number of 21 digits) contains 22 as substring.

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, 133464 + ... + 248784.

It is an arithmetic number, because the mean of its divisors is an integer number (1547909545).

Almost surely, 2^22040610804 is an apocalyptic number.

It is an amenable number.

22040610804 is an abundant number, since it is smaller than the sum of its proper divisors (33684132816).

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

22040610804 is a wasteful number, since it uses less digits than its factorization.

22040610804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120640 (or 120635 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The spelling of 22040610804 in words is "twenty-two billion, forty million, six hundred ten thousand, eight hundred four".