22153544089488 has 320 divisors, whose sum is σ = 74954128343040. Its totient is φ = 6133572288000.

The previous prime is 22153544089477. The next prime is 22153544089529. The reversal of 22153544089488 is 88498044535122.

22153544089488 is a `hidden beast` number, since 2 + 2 + 1 + 5 + 3 + 544 + 0 + 8 + 9 + 4 + 88 = 666.

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

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, 13583293 + ... + 15126563.

It is an arithmetic number, because the mean of its divisors is an integer number (234231651072).

Almost surely, 2^{22153544089488} is an apocalyptic number.

22153544089488 is a gapful number since it is divisible by the number (28) 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 22153544089488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37477064171520).

22153544089488 is an abundant number, since it is smaller than the sum of its proper divisors (52800584253552).

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

22153544089488 is a wasteful number, since it uses less digits than its factorization.

22153544089488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1543443 (or 1543431 counting only the distinct ones).

The product of its (nonzero) digits is 88473600, while the sum is 63.

The spelling of 22153544089488 in words is "twenty-two trillion, one hundred fifty-three billion, five hundred forty-four million, eighty-nine thousand, four hundred eighty-eight".