22640794970904 has 576 divisors, whose sum is σ = 70164847771200. Its totient is φ = 6584930795520.

The previous prime is 22640794970831. The next prime is 22640794970971. The reversal of 22640794970904 is 40907949704622.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 11224984104 + ... + 11224986120.

It is an arithmetic number, because the mean of its divisors is an integer number (121813971825).

Almost surely, 2^{22640794970904} is an apocalyptic number.

22640794970904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22640794970904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35082423885600).

22640794970904 is an abundant number, since it is smaller than the sum of its proper divisors (47524052800296).

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

22640794970904 is a wasteful number, since it uses less digits than its factorization.

22640794970904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2544 (or 2526 counting only the distinct ones).

The product of its (nonzero) digits is 54867456, while the sum is 63.

The spelling of 22640794970904 in words is "twenty-two trillion, six hundred forty billion, seven hundred ninety-four million, nine hundred seventy thousand, nine hundred four".