22540315044 has 24 divisors (see below), whose sum is σ = 56639766400. Its totient is φ = 6935481504.

The previous prime is 22540315033. The next prime is 22540315051. The reversal of 22540315044 is 44051304522.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72244444 + ... + 72244755.

Almost surely, 2^22540315044 is an apocalyptic number.

It is an amenable number.

22540315044 is an abundant number, since it is smaller than the sum of its proper divisors (34099451356).

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

22540315044 is a wasteful number, since it uses less digits than its factorization.

22540315044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144489219 (or 144489217 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 22540315044 its reverse (44051304522), we get a palindrome (66591619566).

The spelling of 22540315044 in words is "twenty-two billion, five hundred forty million, three hundred fifteen thousand, forty-four".