22039761638784 has 128 divisors (see below), whose sum is σ = 60622250849280. Its totient is φ = 7087171553280.

The previous prime is 22039761638777. The next prime is 22039761638801. The reversal of 22039761638784 is 48783616793022.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 853287 + ... + 6693849.

It is an arithmetic number, because the mean of its divisors is an integer number (473611334760).

Almost surely, 2^{22039761638784} is an apocalyptic number.

22039761638784 is a gapful number since it is divisible by the number (24) 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 22039761638784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30311125424640).

22039761638784 is an abundant number, since it is smaller than the sum of its proper divisors (38582489210496).

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

22039761638784 is a wasteful number, since it uses less digits than its factorization.

22039761638784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5840928 (or 5840916 counting only the distinct ones).

The product of its (nonzero) digits is 146313216, while the sum is 66.

The spelling of 22039761638784 in words is "twenty-two trillion, thirty-nine billion, seven hundred sixty-one million, six hundred thirty-eight thousand, seven hundred eighty-four".