21052932443496 has 288 divisors, whose sum is σ = 61155482119680. Its totient is φ = 6787139299200.

The previous prime is 21052932443471. The next prime is 21052932443533. The reversal of 21052932443496 is 69434423925012.

It is a happy number.

21052932443496 is a `hidden beast` number, since 2 + 1 + 0 + 5 + 2 + 93 + 24 + 43 + 496 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3809103885 + ... + 3809109411.

Almost surely, 2^{21052932443496} 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 21052932443496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30577741059840).

21052932443496 is an abundant number, since it is smaller than the sum of its proper divisors (40102549676184).

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

21052932443496 is an equidigital number, since it uses as much as digits as its factorization.

21052932443496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7929 (or 7904 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 54.

The spelling of 21052932443496 in words is "twenty-one trillion, fifty-two billion, nine hundred thirty-two million, four hundred forty-three thousand, four hundred ninety-six".