444544443 has 48 divisors (see below), whose sum is σ = 775547136. Its totient is φ = 249181920.

The previous prime is 444544417. The next prime is 444544489. The reversal of 444544443 is 344445444.

It is not a de Polignac number, because 444544443 - 2⁵ = 444544411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 444544398 and 444544407.

It is not an unprimeable number, because it can be changed into a prime (444544493) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 87688 + ... + 92618.

It is an arithmetic number, because the mean of its divisors is an integer number (16157232).

Almost surely, 2^444544443 is an apocalyptic number.

444544443 is a deficient number, since it is larger than the sum of its proper divisors (331002693).

444544443 is an equidigital number, since it uses as much as digits as its factorization.

444544443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5006 (or 4994 counting only the distinct ones).

The product of its digits is 245760, while the sum is 36.

The square root of 444544443 is about 21084.2226083866. Note that the first 3 decimals coincide. The cubic root of 444544443 is about 763.2000589623.

Adding to 444544443 its reverse (344445444), we get a palindrome (788989887).

The spelling of 444544443 in words is "four hundred forty-four million, five hundred forty-four thousand, four hundred forty-three".