252326444 has 12 divisors (see below), whose sum is σ = 467546184. Its totient is φ = 118741824.

The previous prime is 252326411. The next prime is 252326467. The reversal of 252326444 is 444623252.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 252326444.

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, 1855274 + ... + 1855409.

It is an arithmetic number, because the mean of its divisors is an integer number (38962182).

Almost surely, 2^252326444 is an apocalyptic number.

It is an amenable number.

252326444 is a deficient number, since it is larger than the sum of its proper divisors (215219740).

252326444 is a wasteful number, since it uses less digits than its factorization.

252326444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3710704 (or 3710702 counting only the distinct ones).

The product of its digits is 46080, while the sum is 32.

The square root of 252326444 is about 15884.7865582135. The cubic root of 252326444 is about 631.9085851597.

Adding to 252326444 its reverse (444623252), we get a palindrome (696949696).

The spelling of 252326444 in words is "two hundred fifty-two million, three hundred twenty-six thousand, four hundred forty-four".