22089569149440 has 1800 divisors, whose sum is σ = 87629292686628. Its totient is φ = 5315449651200.

The previous prime is 22089569149247. The next prime is 22089569149441. The reversal of 22089569149440 is 4494196598022.

22089569149440 is a `hidden beast` number, since 2 + 2 + 0 + 8 + 9 + 56 + 91 + 494 + 4 + 0 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 7392221450496 + 14697347698944 = 2718864^2 + 3833712^2 .

It is not an unprimeable number, because it can be changed into a prime (22089569149441) by changing a digit.

It is a polite number, since it can be written in 179 ways as a sum of consecutive naturals, for example, 218708605390 + ... + 218708605490.

Almost surely, 2^{22089569149440} is an apocalyptic number.

22089569149440 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 22089569149440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43814646343314).

22089569149440 is an abundant number, since it is smaller than the sum of its proper divisors (65539723537188).

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

22089569149440 is an equidigital number, since it uses as much as digits as its factorization.

22089569149440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 44789760, while the sum is 63.

The spelling of 22089569149440 in words is "twenty-two trillion, eighty-nine billion, five hundred sixty-nine million, one hundred forty-nine thousand, four hundred forty".