22600988640 has 576 divisors, whose sum is σ = 86128189056. Its totient is φ = 5367791616.

The previous prime is 22600988629. The next prime is 22600988701. The reversal of 22600988640 is 4688900622.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 77136334 + ... + 77136626.

It is an arithmetic number, because the mean of its divisors is an integer number (149528106).

Almost surely, 2^22600988640 is an apocalyptic number.

22600988640 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 22600988640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43064094528).

22600988640 is an abundant number, since it is smaller than the sum of its proper divisors (63527200416).

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

22600988640 is a wasteful number, since it uses less digits than its factorization.

22600988640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491 (or 480 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The spelling of 22600988640 in words is "twenty-two billion, six hundred million, nine hundred eighty-eight thousand, six hundred forty".