252040131444 has 24 divisors (see below), whose sum is σ = 619045937440. Its totient is φ = 79591620384.

The previous prime is 252040131397. The next prime is 252040131461. The reversal of 252040131444 is 444131040252.

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, 552719359 + ... + 552719814.

Almost surely, 2^252040131444 is an apocalyptic number.

It is an amenable number.

252040131444 is an abundant number, since it is smaller than the sum of its proper divisors (367005805996).

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

252040131444 is a wasteful number, since it uses less digits than its factorization.

252040131444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105439199 (or 1105439197 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 252040131444 its reverse (444131040252), we get a palindrome (696171171696).

The spelling of 252040131444 in words is "two hundred fifty-two billion, forty million, one hundred thirty-one thousand, four hundred forty-four".