22786375680 has 640 divisors, whose sum is σ = 87353960760. Its totient is φ = 5662310400.

The previous prime is 22786375643. The next prime is 22786375681. The reversal of 22786375680 is 8657368722.

22786375680 is a `hidden beast` number, since 2 + 2 + 78 + 6 + 3 + 7 + 568 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 22774431744 + 11943936 = 150912^2 + 3456^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (22786375681) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 225607630 + ... + 225607730.

Almost surely, 2^22786375680 is an apocalyptic number.

22786375680 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 22786375680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43676980380).

22786375680 is an abundant number, since it is smaller than the sum of its proper divisors (64567585080).

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

22786375680 is an equidigital number, since it uses as much as digits as its factorization.

22786375680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165 (or 128 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 54.

The spelling of 22786375680 in words is "twenty-two billion, seven hundred eighty-six million, three hundred seventy-five thousand, six hundred eighty".