21792019880532 has 48 divisors (see below), whose sum is σ = 55484216528832. Its totient is φ = 6602020903680.

The previous prime is 21792019880437. The next prime is 21792019880569. The reversal of 21792019880532 is 23508891029712.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19728883 + ... + 20804154.

It is an arithmetic number, because the mean of its divisors is an integer number (1155921177684).

Almost surely, 2^{21792019880532} is an apocalyptic number.

21792019880532 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21792019880532 is an abundant number, since it is smaller than the sum of its proper divisors (33692196648300).

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

21792019880532 is a wasteful number, since it uses less digits than its factorization.

21792019880532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40537128 (or 40537126 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 57.

The spelling of 21792019880532 in words is "twenty-one trillion, seven hundred ninety-two billion, nineteen million, eight hundred eighty thousand, five hundred thirty-two".