21476642244032 has 28 divisors (see below), whose sum is σ = 42744174049200. Its totient is φ = 10706456656896.

The previous prime is 21476642243983. The next prime is 21476642244049. The reversal of 21476642244032 is 23044224667412.

It is a super-2 number, since 2×21476642244032² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 497860532 + ... + 497903667.

Almost surely, 2^{21476642244032} is an apocalyptic number.

It is an amenable number.

21476642244032 is a deficient number, since it is larger than the sum of its proper divisors (21267531805168).

21476642244032 is an equidigital number, since it uses as much as digits as its factorization.

21476642244032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995764548 (or 995764538 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 47.

The spelling of 21476642244032 in words is "twenty-one trillion, four hundred seventy-six billion, six hundred forty-two million, two hundred forty-four thousand, thirty-two".