444556252 has 24 divisors (see below), whose sum is σ = 892846080. Its totient is φ = 189724080.

The previous prime is 444556241. The next prime is 444556253. The reversal of 444556252 is 252655444.

It is a happy number.

It is a super-2 number, since 2×444556252² = 395260522384575008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444556253) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 26524 + ... + 39907.

It is an arithmetic number, because the mean of its divisors is an integer number (37201920).

Almost surely, 2^444556252 is an apocalyptic number.

It is an amenable number.

444556252 is an abundant number, since it is smaller than the sum of its proper divisors (448289828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

444556252 is a wasteful number, since it uses less digits than its factorization.

444556252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66681 (or 66679 counting only the distinct ones).

The product of its digits is 192000, while the sum is 37.

The square root of 444556252 is about 21084.5026500508. The cubic root of 444556252 is about 763.2068168540.

The spelling of 444556252 in words is "four hundred forty-four million, five hundred fifty-six thousand, two hundred fifty-two".