22540736432 has 20 divisors (see below), whose sum is σ = 43718823096. Its totient is φ = 11258459520.

The previous prime is 22540736411. The next prime is 22540736443. The reversal of 22540736432 is 23463704522.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 728669 + ... + 758972.

Almost surely, 2^22540736432 is an apocalyptic number.

It is an amenable number.

22540736432 is a deficient number, since it is larger than the sum of its proper divisors (21178086664).

22540736432 is a wasteful number, since it uses less digits than its factorization.

22540736432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1488596 (or 1488590 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 38.

The spelling of 22540736432 in words is "twenty-two billion, five hundred forty million, seven hundred thirty-six thousand, four hundred thirty-two".