21412004032 has 56 divisors (see below), whose sum is σ = 42818608800. Its totient is φ = 10623399936.

The previous prime is 21412004011. The next prime is 21412004051. The reversal of 21412004032 is 23040021412.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4525444 + ... + 4530172.

Almost surely, 2^21412004032 is an apocalyptic number.

It is an amenable number.

21412004032 is a deficient number, since it is larger than the sum of its proper divisors (21406604768).

21412004032 is a wasteful number, since it uses less digits than its factorization.

21412004032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5273 (or 5263 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 21412004032 its reverse (23040021412), we get a palindrome (44452025444).

The spelling of 21412004032 in words is "twenty-one billion, four hundred twelve million, four thousand, thirty-two".