10638658832 has 20 divisors (see below), whose sum is σ = 21508593600. Its totient is φ = 5088054048.

The previous prime is 10638658819. The next prime is 10638658843. The reversal of 10638658832 is 23885683601.

It is a super-2 number, since 2×10638658832² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14454332 + ... + 14455067.

It is an arithmetic number, because the mean of its divisors is an integer number (1075429680).

Almost surely, 2^10638658832 is an apocalyptic number.

It is an amenable number.

10638658832 is an abundant number, since it is smaller than the sum of its proper divisors (10869934768).

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

10638658832 is a wasteful number, since it uses less digits than its factorization.

10638658832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28909430 (or 28909424 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 50.

The spelling of 10638658832 in words is "ten billion, six hundred thirty-eight million, six hundred fifty-eight thousand, eight hundred thirty-two".