22788619875840 has 640 divisors, whose sum is σ = 94938883522560. Its totient is φ = 4525313753088.

The previous prime is 22788619875839. The next prime is 22788619875887. The reversal of 22788619875840 is 4857891688722.

It is a tau number, because it is divible by the number of its divisors (640).

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, 10921921 + ... + 12839999.

It is an arithmetic number, because the mean of its divisors is an integer number (148342005504).

Almost surely, 2^{22788619875840} is an apocalyptic number.

22788619875840 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 22788619875840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47469441761280).

22788619875840 is an abundant number, since it is smaller than the sum of its proper divisors (72150263646720).

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

22788619875840 is a wasteful number, since it uses less digits than its factorization.

22788619875840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1918142 (or 1918126 counting only the distinct ones).

The product of its (nonzero) digits is 867041280, while the sum is 75.

The spelling of 22788619875840 in words is "twenty-two trillion, seven hundred eighty-eight billion, six hundred nineteen million, eight hundred seventy-five thousand, eight hundred forty".