21412324304 has 20 divisors (see below), whose sum is σ = 47413004064. Its totient is φ = 9176710368.

The previous prime is 21412324291. The next prime is 21412324327. The reversal of 21412324304 is 40342321412.

It is a super-3 number, since 3×21412324304³ (a number of 32 digits) contains 333 as substring.

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, 95590622 + ... + 95590845.

Almost surely, 2^21412324304 is an apocalyptic number.

It is an amenable number.

21412324304 is an abundant number, since it is smaller than the sum of its proper divisors (26000679760).

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

21412324304 is a wasteful number, since it uses less digits than its factorization.

21412324304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191181482 (or 191181476 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 21412324304 its reverse (40342321412), we get a palindrome (61754645716).

The spelling of 21412324304 in words is "twenty-one billion, four hundred twelve million, three hundred twenty-four thousand, three hundred four".