21626383832 has 16 divisors (see below), whose sum is σ = 42683652600. Its totient is φ = 10244076480.

The previous prime is 21626383787. The next prime is 21626383841. The reversal of 21626383832 is 23838362612.

It is a congruent number.

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, 71139269 + ... + 71139572.

Almost surely, 2^21626383832 is an apocalyptic number.

It is an amenable number.

21626383832 is a deficient number, since it is larger than the sum of its proper divisors (21057268768).

21626383832 is a wasteful number, since it uses less digits than its factorization.

21626383832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142278866 (or 142278862 counting only the distinct ones).

The product of its digits is 497664, while the sum is 44.

The spelling of 21626383832 in words is "twenty-one billion, six hundred twenty-six million, three hundred eighty-three thousand, eight hundred thirty-two".