22400040132 has 24 divisors (see below), whose sum is σ = 58074178400. Its totient is φ = 7466680008.

The previous prime is 22400040107. The next prime is 22400040137. The reversal of 22400040132 is 23104000422.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (22400040137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103703782 + ... + 103703997.

Almost surely, 2^22400040132 is an apocalyptic number.

It is an amenable number.

22400040132 is an abundant number, since it is smaller than the sum of its proper divisors (35674138268).

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

22400040132 is a wasteful number, since it uses less digits than its factorization.

22400040132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207407792 (or 207407784 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 22400040132 its reverse (23104000422), we get a palindrome (45504040554).

The spelling of 22400040132 in words is "twenty-two billion, four hundred million, forty thousand, one hundred thirty-two".