22623555612440 has 64 divisors (see below), whose sum is σ = 51065995376160. Its totient is φ = 9020448025600.

The previous prime is 22623555612403. The next prime is 22623555612451. The reversal of 22623555612440 is 4421655532622.

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, 530015339 + ... + 530058021.

Almost surely, 2^{22623555612440} is an apocalyptic number.

22623555612440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22623555612440 is an abundant number, since it is smaller than the sum of its proper divisors (28442439763720).

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

22623555612440 is a wasteful number, since it uses less digits than its factorization.

22623555612440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84812 (or 84808 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 47.

The spelling of 22623555612440 in words is "twenty-two trillion, six hundred twenty-three billion, five hundred fifty-five million, six hundred twelve thousand, four hundred forty".