21596460404 has 12 divisors (see below), whose sum is σ = 37798924800. Its totient is φ = 10796767608.

The previous prime is 21596460373. The next prime is 21596460407. The reversal of 21596460404 is 40406469512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21596460407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332084 + ... + 391755.

It is an arithmetic number, because the mean of its divisors is an integer number (3149910400).

Almost surely, 2^21596460404 is an apocalyptic number.

It is an amenable number.

21596460404 is a deficient number, since it is larger than the sum of its proper divisors (16202464396).

21596460404 is a wasteful number, since it uses less digits than its factorization.

21596460404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731302 (or 731300 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 21596460404 in words is "twenty-one billion, five hundred ninety-six million, four hundred sixty thousand, four hundred four".