444252052 has 6 divisors (see below), whose sum is σ = 777441098. Its totient is φ = 222126024.

The previous prime is 444252019. The next prime is 444252059. The reversal of 444252052 is 250252444.

It can be written as a sum of positive squares in only one way, i.e., 316697616 + 127554436 = 17796^2 + 11294^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 444252052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444252059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55531503 + ... + 55531510.

Almost surely, 2^444252052 is an apocalyptic number.

It is an amenable number.

444252052 is a deficient number, since it is larger than the sum of its proper divisors (333189046).

444252052 is a wasteful number, since it uses less digits than its factorization.

444252052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111063017 (or 111063015 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 444252052 is about 21077.2875864045. The cubic root of 444252052 is about 763.0326952901.

The spelling of 444252052 in words is "four hundred forty-four million, two hundred fifty-two thousand, fifty-two".