12632422464 has 42 divisors (see below), whose sum is σ = 36208559790. Its totient is φ = 4210807296.

The previous prime is 12632422447. The next prime is 12632422471. The reversal of 12632422464 is 46422423621.

12632422464 is a `hidden beast` number, since 12 + 632 + 4 + 2 + 2 + 4 + 6 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 9055425600 + 3576996864 = 95160^2 + 59808^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10965069 + ... + 10966220.

Almost surely, 2^12632422464 is an apocalyptic number.

It is an amenable number.

12632422464 is an abundant number, since it is smaller than the sum of its proper divisors (23576137326).

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

12632422464 is a wasteful number, since it uses less digits than its factorization.

12632422464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21931307 (or 21931294 counting only the distinct ones).

The product of its digits is 110592, while the sum is 36.

The spelling of 12632422464 in words is "twelve billion, six hundred thirty-two million, four hundred twenty-two thousand, four hundred sixty-four".