444004252 has 12 divisors (see below), whose sum is σ = 795959136. Its totient is φ = 216587360.

The previous prime is 444004247. The next prime is 444004271. The reversal of 444004252 is 252400444.

It is a happy number.

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, 1353508 + ... + 1353835.

It is an arithmetic number, because the mean of its divisors is an integer number (66329928).

Almost surely, 2^444004252 is an apocalyptic number.

It is an amenable number.

444004252 is a deficient number, since it is larger than the sum of its proper divisors (351954884).

444004252 is a wasteful number, since it uses less digits than its factorization.

444004252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2707388 (or 2707386 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 25.

The square root of 444004252 is about 21071.4084009589. The cubic root of 444004252 is about 762.8907978638.

Adding to 444004252 its reverse (252400444), we get a palindrome (696404696).

The spelling of 444004252 in words is "four hundred forty-four million, four thousand, two hundred fifty-two".