22144540480 has 28 divisors (see below), whose sum is σ = 52731687780. Its totient is φ = 8857816064.

The previous prime is 22144540477. The next prime is 22144540531. The reversal of 22144540480 is 8404544122.

It can be written as a sum of positive squares in 2 ways, for example, as 13901353216 + 8243187264 = 117904^2 + 90792^2 .

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 3 ways as a sum of consecutive naturals, for example, 34600525 + ... + 34601164.

Almost surely, 2^22144540480 is an apocalyptic number.

22144540480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22144540480 is an abundant number, since it is smaller than the sum of its proper divisors (30587147300).

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

22144540480 is an equidigital number, since it uses as much as digits as its factorization.

22144540480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69201706 (or 69201696 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 34.

The spelling of 22144540480 in words is "twenty-two billion, one hundred forty-four million, five hundred forty thousand, four hundred eighty".