252043222044 has 12 divisors (see below), whose sum is σ = 588100851464. Its totient is φ = 84014407344.

The previous prime is 252043222033. The next prime is 252043222049. The reversal of 252043222044 is 440222340252.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252043222049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10501800907 + ... + 10501800930.

Almost surely, 2^252043222044 is an apocalyptic number.

It is an amenable number.

252043222044 is an abundant number, since it is smaller than the sum of its proper divisors (336057629420).

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

252043222044 is a wasteful number, since it uses less digits than its factorization.

252043222044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21003601844 (or 21003601842 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 30.

Adding to 252043222044 its reverse (440222340252), we get a palindrome (692265562296).

The spelling of 252043222044 in words is "two hundred fifty-two billion, forty-three million, two hundred twenty-two thousand, forty-four".