22142442055040 has 64 divisors (see below), whose sum is σ = 53060010804720. Its totient is φ = 8835938764800.

The previous prime is 22142442055037. The next prime is 22142442055073. The reversal of 22142442055040 is 4055024424122.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40820306 + ... + 41359185.

Almost surely, 2^{22142442055040} is an apocalyptic number.

22142442055040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22142442055040 is an abundant number, since it is smaller than the sum of its proper divisors (30917568749680).

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

22142442055040 is an equidigital number, since it uses as much as digits as its factorization.

22142442055040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82179931 (or 82179919 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 35.

Adding to 22142442055040 its reverse (4055024424122), we get a palindrome (26197466479162).

The spelling of 22142442055040 in words is "twenty-two trillion, one hundred forty-two billion, four hundred forty-two million, fifty-five thousand, forty".