22560444240 has 80 divisors (see below), whose sum is σ = 72978150528. Its totient is φ = 5754546688.

The previous prime is 22560444239. The next prime is 22560444251. The reversal of 22560444240 is 4244406522.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×22560444240² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2037999 + ... + 2049038.

Almost surely, 2^22560444240 is an apocalyptic number.

22560444240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22560444240 is an abundant number, since it is smaller than the sum of its proper divisors (50417706288).

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

22560444240 is a wasteful number, since it uses less digits than its factorization.

22560444240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4087076 (or 4087070 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 33.

The spelling of 22560444240 in words is "twenty-two billion, five hundred sixty million, four hundred forty-four thousand, two hundred forty".