24972132636 has 36 divisors (see below), whose sum is σ = 68862548664. Its totient is φ = 7567312800.

The previous prime is 24972132623. The next prime is 24972132697. The reversal of 24972132636 is 63623127942.

24972132636 is a `hidden beast` number, since 2 + 4 + 9 + 7 + 2 + 1 + 3 + 2 + 636 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 24972132591 and 24972132600.

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, 31530075 + ... + 31530866.

It is an arithmetic number, because the mean of its divisors is an integer number (1912848574).

Almost surely, 2^24972132636 is an apocalyptic number.

It is an amenable number.

24972132636 is an abundant number, since it is smaller than the sum of its proper divisors (43890416028).

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

24972132636 is a wasteful number, since it uses less digits than its factorization.

24972132636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63060962 (or 63060957 counting only the distinct ones).

The product of its digits is 653184, while the sum is 45.

The spelling of 24972132636 in words is "twenty-four billion, nine hundred seventy-two million, one hundred thirty-two thousand, six hundred thirty-six".