22763844544 has 84 divisors (see below), whose sum is σ = 52870586664. Its totient is φ = 9695863296.

The previous prime is 22763844541. The next prime is 22763844583. The reversal of 22763844544 is 44544836722.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22763844541) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 488902 + ... + 533434.

It is an arithmetic number, because the mean of its divisors is an integer number (629411746).

Almost surely, 2^22763844544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22763844544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26435293332).

22763844544 is an abundant number, since it is smaller than the sum of its proper divisors (30106742120).

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

22763844544 is a wasteful number, since it uses less digits than its factorization.

22763844544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44722 (or 44705 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 49.

The spelling of 22763844544 in words is "twenty-two billion, seven hundred sixty-three million, eight hundred forty-four thousand, five hundred forty-four".