252399441032 has 12 divisors (see below), whose sum is σ = 473251616295. Its totient is φ = 126199010024.

The previous prime is 252399441013. The next prime is 252399441037. The reversal of 252399441032 is 230144993252.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 126199720516 + 126199720516 = 355246^2 + 355246^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=355246.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252399441037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1332173 + ... + 1509795.

Almost surely, 2^252399441032 is an apocalyptic number.

It is an amenable number.

252399441032 is a deficient number, since it is larger than the sum of its proper divisors (220852175263).

252399441032 is an frugal number, since it uses more digits than its factorization.

252399441032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355252 (or 177625 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 44.

The spelling of 252399441032 in words is "two hundred fifty-two billion, three hundred ninety-nine million, four hundred forty-one thousand, thirty-two".