22617640880 has 40 divisors (see below), whose sum is σ = 52592285664. Its totient is φ = 9045977600.

The previous prime is 22617640823. The next prime is 22617640883. The reversal of 22617640880 is 8804671622.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (22617640883) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1244660 + ... + 1262700.

Almost surely, 2^22617640880 is an apocalyptic number.

22617640880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22617640880 is an abundant number, since it is smaller than the sum of its proper divisors (29974644784).

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

22617640880 is a wasteful number, since it uses less digits than its factorization.

22617640880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33725 (or 33719 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 44.

The spelling of 22617640880 in words is "twenty-two billion, six hundred seventeen million, six hundred forty thousand, eight hundred eighty".