21986023302880 has 288 divisors, whose sum is σ = 65310366199680. Its totient is φ = 6932529192960.

The previous prime is 21986023302853. The next prime is 21986023302913. The reversal of 21986023302880 is 8820332068912.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27222316 + ... + 28018324.

It is an arithmetic number, because the mean of its divisors is an integer number (226772104860).

Almost surely, 2^{21986023302880} is an apocalyptic number.

21986023302880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21986023302880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32655183099840).

21986023302880 is an abundant number, since it is smaller than the sum of its proper divisors (43324342896800).

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

21986023302880 is a wasteful number, since it uses less digits than its factorization.

21986023302880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796322 (or 796307 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 52.

The spelling of 21986023302880 in words is "twenty-one trillion, nine hundred eighty-six billion, twenty-three million, three hundred two thousand, eight hundred eighty".