22540341432 has 48 divisors (see below), whose sum is σ = 65550996360. Its totient is φ = 6440097216.

The previous prime is 22540341401. The next prime is 22540341487. The reversal of 22540341432 is 23414304522.

It is a super-2 number, since 2×22540341432² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22540341432.

It is a congruent number.

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, 9582303 + ... + 9584654.

Almost surely, 2^22540341432 is an apocalyptic number.

It is an amenable number.

22540341432 is an abundant number, since it is smaller than the sum of its proper divisors (43010654928).

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

22540341432 is a wasteful number, since it uses less digits than its factorization.

22540341432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19166980 (or 19166969 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 22540341432 its reverse (23414304522), we get a palindrome (45954645954).

The spelling of 22540341432 in words is "twenty-two billion, five hundred forty million, three hundred forty-one thousand, four hundred thirty-two".