22660406400 has 96 divisors (see below), whose sum is σ = 74637745200. Its totient is φ = 6042772480.

The previous prime is 22660406387. The next prime is 22660406441. The reversal of 22660406400 is 460406622.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1170630 + ... + 1189829.

Almost surely, 2^22660406400 is an apocalyptic number.

22660406400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22660406400 is an abundant number, since it is smaller than the sum of its proper divisors (51977338800).

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

22660406400 is a wasteful number, since it uses less digits than its factorization.

22660406400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2360486 (or 2360469 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The spelling of 22660406400 in words is "twenty-two billion, six hundred sixty million, four hundred six thousand, four hundred".