21362354400404 has 48 divisors (see below), whose sum is σ = 38532211872000. Its totient is φ = 10357361675136.

The previous prime is 21362354400397. The next prime is 21362354400419. The reversal of 21362354400404 is 40400445326312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 568900622 + ... + 568938170.

It is an arithmetic number, because the mean of its divisors is an integer number (802754414000).

Almost surely, 2^{21362354400404} is an apocalyptic number.

It is an amenable number.

21362354400404 is a deficient number, since it is larger than the sum of its proper divisors (17169857471596).

21362354400404 is a wasteful number, since it uses less digits than its factorization.

21362354400404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65472 (or 65470 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 38.

Adding to 21362354400404 its reverse (40400445326312), we get a palindrome (61762799726716).

The spelling of 21362354400404 in words is "twenty-one trillion, three hundred sixty-two billion, three hundred fifty-four million, four hundred thousand, four hundred four".