22640108805400 has 96 divisors (see below), whose sum is σ = 56103725515680. Its totient is φ = 8466888960000.

The previous prime is 22640108805313. The next prime is 22640108805401. The reversal of 22640108805400 is 450880104622.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22640108805401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21535791 + ... + 22562590.

It is an arithmetic number, because the mean of its divisors is an integer number (584413807455).

Almost surely, 2^{22640108805400} is an apocalyptic number.

22640108805400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22640108805400 is an abundant number, since it is smaller than the sum of its proper divisors (33463616710280).

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

22640108805400 is a wasteful number, since it uses less digits than its factorization.

22640108805400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44098565 (or 44098556 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 40.

The spelling of 22640108805400 in words is "twenty-two trillion, six hundred forty billion, one hundred eight million, eight hundred five thousand, four hundred".