21052932443504 has 320 divisors, whose sum is σ = 46745640587520. Its totient is φ = 9112356126720.

The previous prime is 21052932443471. The next prime is 21052932443533. The reversal of 21052932443504 is 40534423925012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 46067685644 + ... + 46067686100.

It is an arithmetic number, because the mean of its divisors is an integer number (146080126836).

Almost surely, 2^{21052932443504} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21052932443504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23372820293760).

21052932443504 is an abundant number, since it is smaller than the sum of its proper divisors (25692708144016).

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

21052932443504 is a wasteful number, since it uses less digits than its factorization.

21052932443504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1268 (or 1262 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 44.

The spelling of 21052932443504 in words is "twenty-one trillion, fifty-two billion, nine hundred thirty-two million, four hundred forty-three thousand, five hundred four".