252235252444 has 12 divisors (see below), whose sum is σ = 504470504944. Its totient is φ = 108100822464.

The previous prime is 252235252439. The next prime is 252235252469. The reversal of 252235252444 is 444252532252.

252235252444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

252235252444 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 252235252397 and 252235252406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4504200909 + ... + 4504200964.

Almost surely, 2^252235252444 is an apocalyptic number.

It is an amenable number.

252235252444 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

252235252444 is a wasteful number, since it uses less digits than its factorization.

252235252444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9008401884 (or 9008401882 counting only the distinct ones).

The product of its digits is 768000, while the sum is 40.

Adding to 252235252444 its reverse (444252532252), we get a palindrome (696487784696).

The spelling of 252235252444 in words is "two hundred fifty-two billion, two hundred thirty-five million, two hundred fifty-two thousand, four hundred forty-four".