444449288 has 16 divisors (see below), whose sum is σ = 841594860. Its totient is φ = 220024000.

The previous prime is 444449287. The next prime is 444449293. The reversal of 444449288 is 882944444.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 339222724 + 105226564 = 18418^2 + 10258^2 .

It is not an unprimeable number, because it can be changed into a prime (444449281) 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 in 3 ways as a sum of consecutive naturals, for example, 274223 + ... + 275838.

Almost surely, 2^444449288 is an apocalyptic number.

It is an amenable number.

444449288 is a deficient number, since it is larger than the sum of its proper divisors (397145572).

444449288 is a wasteful number, since it uses less digits than its factorization.

444449288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550168 (or 550164 counting only the distinct ones).

The product of its digits is 1179648, while the sum is 47.

The square root of 444449288 is about 21081.9659424827. The cubic root of 444449288 is about 763.1456006023.

The spelling of 444449288 in words is "four hundred forty-four million, four hundred forty-nine thousand, two hundred eighty-eight".