21924021810496 has 112 divisors (see below), whose sum is σ = 48975612528640. Its totient is φ = 9668412149760.

The previous prime is 21924021810451. The next prime is 21924021810503. The reversal of 21924021810496 is 69401812042912.

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, 3342381 + ... + 7417516.

It is an arithmetic number, because the mean of its divisors is an integer number (437282254720).

Almost surely, 2^{21924021810496} is an apocalyptic number.

21924021810496 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

21924021810496 is an abundant number, since it is smaller than the sum of its proper divisors (27051590718144).

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

21924021810496 is a wasteful number, since it uses less digits than its factorization.

21924021810496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10760032 (or 10760022 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 49.

The spelling of 21924021810496 in words is "twenty-one trillion, nine hundred twenty-four billion, twenty-one million, eight hundred ten thousand, four hundred ninety-six".