22640842304 has 56 divisors (see below), whose sum is σ = 47034955968. Its totient is φ = 10792742400.

The previous prime is 22640842253. The next prime is 22640842307. The reversal of 22640842304 is 40324804622.

It is not an unprimeable number, because it can be changed into a prime (22640842307) 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, 426854 + ... + 476954.

It is an arithmetic number, because the mean of its divisors is an integer number (839909928).

Almost surely, 2^22640842304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22640842304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23517477984).

22640842304 is an abundant number, since it is smaller than the sum of its proper divisors (24394113664).

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

22640842304 is a wasteful number, since it uses less digits than its factorization.

22640842304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50443 (or 50433 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 35.

The spelling of 22640842304 in words is "twenty-two billion, six hundred forty million, eight hundred forty-two thousand, three hundred four".