21192624544992 has 48 divisors (see below), whose sum is σ = 56181437866512. Its totient is φ = 6994265523200.

The previous prime is 21192624544991. The next prime is 21192624545021. The reversal of 21192624544992 is 29944542629112.

It is a tau number, because it is divible by the number of its divisors (48).

It is a hoax number, since the sum of its digits (60) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21192624544991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1092844293 + ... + 1092863684.

It is an arithmetic number, because the mean of its divisors is an integer number (1170446622219).

Almost surely, 2^{21192624544992} is an apocalyptic number.

It is an amenable number.

21192624544992 is an abundant number, since it is smaller than the sum of its proper divisors (34988813321520).

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

21192624544992 is a wasteful number, since it uses less digits than its factorization.

21192624544992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2185708091 (or 2185708083 counting only the distinct ones).

The product of its digits is 22394880, while the sum is 60.

The spelling of 21192624544992 in words is "twenty-one trillion, one hundred ninety-two billion, six hundred twenty-four million, five hundred forty-four thousand, nine hundred ninety-two".