252204111022044 has 12 divisors (see below), whose sum is σ = 588476259051464. Its totient is φ = 84068037007344.

The previous prime is 252204111022037. The next prime is 252204111022063. The reversal of 252204111022044 is 440220111402252.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10508504625907 + ... + 10508504625930.

Almost surely, 2^{252204111022044} is an apocalyptic number.

It is an amenable number.

252204111022044 is an abundant number, since it is smaller than the sum of its proper divisors (336272148029420).

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

252204111022044 is a wasteful number, since it uses less digits than its factorization.

252204111022044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21017009251844 (or 21017009251842 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 30.

Adding to 252204111022044 its reverse (440220111402252), we get a palindrome (692424222424296).

The spelling of 252204111022044 in words is "two hundred fifty-two trillion, two hundred four billion, one hundred eleven million, twenty-two thousand, forty-four".