252944444 has 12 divisors (see below), whose sum is σ = 444051384. Its totient is φ = 126072624.

The previous prime is 252944443. The next prime is 252944453. The reversal of 252944444 is 444449252.

It is a junction number, because it is equal to n+sod(n) for n = 252944398 and 252944407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252944441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98474 + ... + 101009.

It is an arithmetic number, because the mean of its divisors is an integer number (37004282).

Almost surely, 2^252944444 is an apocalyptic number.

It is an amenable number.

252944444 is a deficient number, since it is larger than the sum of its proper divisors (191106940).

252944444 is a wasteful number, since it uses less digits than its factorization.

252944444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199804 (or 199802 counting only the distinct ones).

The product of its digits is 184320, while the sum is 38.

The square root of 252944444 is about 15904.2272368072. The cubic root of 252944444 is about 632.4240564560.

The spelling of 252944444 in words is "two hundred fifty-two million, nine hundred forty-four thousand, four hundred forty-four".