22530785981760 has 448 divisors, whose sum is σ = 91363526899200. Its totient is φ = 5120123387904.

The previous prime is 22530785981749. The next prime is 22530785981779. The reversal of 22530785981760 is 6718958703522.

22530785981760 is a `hidden beast` number, since 2 + 2 + 5 + 30 + 7 + 8 + 598 + 1 + 7 + 6 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (448).

It is a Harshad number since it is a multiple of its sum of digits (63).

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, 9386356 + ... + 11539724.

Almost surely, 2^{22530785981760} is an apocalyptic number.

22530785981760 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 22530785981760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45681763449600).

22530785981760 is an abundant number, since it is smaller than the sum of its proper divisors (68832740917440).

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

22530785981760 is a wasteful number, since it uses less digits than its factorization.

22530785981760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2153575 (or 2153559 counting only the distinct ones).

The product of its (nonzero) digits is 50803200, while the sum is 63.

The spelling of 22530785981760 in words is "twenty-two trillion, five hundred thirty billion, seven hundred eighty-five million, nine hundred eighty-one thousand, seven hundred sixty".