21214024162524 has 48 divisors (see below), whose sum is σ = 55000912945440. Its totient is φ = 7071136824960.

The previous prime is 21214024162517. The next prime is 21214024162543. The reversal of 21214024162524 is 42526142041212.

21214024162524 is a `hidden beast` number, since 2 + 1 + 2 + 1 + 4 + 0 + 2 + 4 + 1 + 625 + 24 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 932592 + ... + 6580104.

It is an arithmetic number, because the mean of its divisors is an integer number (1145852353030).

Almost surely, 2^{21214024162524} is an apocalyptic number.

It is an amenable number.

21214024162524 is an abundant number, since it is smaller than the sum of its proper divisors (33786888782916).

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

21214024162524 is a wasteful number, since it uses less digits than its factorization.

21214024162524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5682307 (or 5682299 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

The spelling of 21214024162524 in words is "twenty-one trillion, two hundred fourteen billion, twenty-four million, one hundred sixty-two thousand, five hundred twenty-four".