444612052 has 6 divisors (see below), whose sum is σ = 778071098. Its totient is φ = 222306024.

The previous prime is 444612043. The next prime is 444612053. The reversal of 444612052 is 250216444.

It can be written as a sum of positive squares in only one way, i.e., 401761936 + 42850116 = 20044^2 + 6546^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 444612052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444612053) 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 as a sum of consecutive naturals, namely, 55576503 + ... + 55576510.

Almost surely, 2^444612052 is an apocalyptic number.

It is an amenable number.

444612052 is a deficient number, since it is larger than the sum of its proper divisors (333459046).

444612052 is a wasteful number, since it uses less digits than its factorization.

444612052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111153017 (or 111153015 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 444612052 is about 21085.8258552991. The cubic root of 444612052 is about 763.2387476903.

Adding to 444612052 its reverse (250216444), we get a palindrome (694828496).

The spelling of 444612052 in words is "four hundred forty-four million, six hundred twelve thousand, fifty-two".