18839943048960 has 576 divisors, whose sum is σ = 72994197749760. Its totient is φ = 4563452805120.

The previous prime is 18839943048889. The next prime is 18839943048977. The reversal of 18839943048960 is 6984034993881.

18839943048960 is a `hidden beast` number, since 1 + 8 + 8 + 3 + 99 + 430 + 48 + 9 + 60 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is a Harshad number since it is a multiple of its sum of digits (72).

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, 470237889 + ... + 470277951.

It is an arithmetic number, because the mean of its divisors is an integer number (126726037760).

Almost surely, 2^{18839943048960} is an apocalyptic number.

18839943048960 is a gapful number since it is divisible by the number (10) 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 18839943048960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36497098874880).

18839943048960 is an abundant number, since it is smaller than the sum of its proper divisors (54154254700800).

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

18839943048960 is a wasteful number, since it uses less digits than its factorization.

18839943048960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41341 (or 41321 counting only the distinct ones).

The product of its (nonzero) digits is 322486272, while the sum is 72.

The spelling of 18839943048960 in words is "eighteen trillion, eight hundred thirty-nine billion, nine hundred forty-three million, forty-eight thousand, nine hundred sixty".