444544452 has 36 divisors (see below), whose sum is σ = 1225866096. Its totient is φ = 134710320.

The previous prime is 444544417. The next prime is 444544489. The reversal of 444544452 is 254445444.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 560898 + ... + 561689.

It is an arithmetic number, because the mean of its divisors is an integer number (34051836).

Almost surely, 2^444544452 is an apocalyptic number.

It is an amenable number.

444544452 is an abundant number, since it is smaller than the sum of its proper divisors (781321644).

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

444544452 is a wasteful number, since it uses less digits than its factorization.

444544452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122608 (or 1122603 counting only the distinct ones).

The product of its digits is 204800, while the sum is 36.

The square root of 444544452 is about 21084.2228218163. Note that the first 3 decimals coincide. The cubic root of 444544452 is about 763.2000641127.

Adding to 444544452 its reverse (254445444), we get a palindrome (698989896).

The spelling of 444544452 in words is "four hundred forty-four million, five hundred forty-four thousand, four hundred fifty-two".