21941383616000 has 480 divisors, whose sum is σ = 59306300662752. Its totient is φ = 8089594675200.

The previous prime is 21941383615969. The next prime is 21941383616069. The reversal of 21941383616000 is 61638314912.

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, 854835167 + ... + 854860833.

Almost surely, 2^{21941383616000} is an apocalyptic number.

21941383616000 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 21941383616000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29653150331376).

21941383616000 is an abundant number, since it is smaller than the sum of its proper divisors (37364917046752).

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

21941383616000 is an equidigital number, since it uses as much as digits as its factorization.

21941383616000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25775 (or 25730 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 44.

The spelling of 21941383616000 in words is "twenty-one trillion, nine hundred forty-one billion, three hundred eighty-three million, six hundred sixteen thousand".