21477024062404 has 12 divisors (see below), whose sum is σ = 39795662233404. Its totient is φ = 10106834852864.

The previous prime is 21477024062381. The next prime is 21477024062471. The reversal of 21477024062404 is 40426042077412.

It can be written as a sum of positive squares in 2 ways, for example, as 5931367993600 + 15545656068804 = 2435440^2 + 3942798^2 .

It is a super-3 number, since 3×21477024062404³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 157919294509 + ... + 157919294644.

It is an arithmetic number, because the mean of its divisors is an integer number (3316305186117).

Almost surely, 2^{21477024062404} is an apocalyptic number.

It is an amenable number.

21477024062404 is a deficient number, since it is larger than the sum of its proper divisors (18318638171000).

21477024062404 is a wasteful number, since it uses less digits than its factorization.

21477024062404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315838589174 (or 315838589172 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 43.

The spelling of 21477024062404 in words is "twenty-one trillion, four hundred seventy-seven billion, twenty-four million, sixty-two thousand, four hundred four".