444404445 has 16 divisors (see below), whose sum is σ = 717573120. Its totient is φ = 234840384.

The previous prime is 444404423. The next prime is 444404449. The reversal of 444404445 is 544404444.

It is not a de Polignac number, because 444404445 - 2⁹ = 444403933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444404449) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 134269 + ... + 137538.

It is an arithmetic number, because the mean of its divisors is an integer number (44848320).

Almost surely, 2^444404445 is an apocalyptic number.

It is an amenable number.

444404445 is a deficient number, since it is larger than the sum of its proper divisors (273168675).

444404445 is a wasteful number, since it uses less digits than its factorization.

444404445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271924.

The product of its (nonzero) digits is 81920, while the sum is 33.

The square root of 444404445 is about 21080.9023763216. The cubic root of 444404445 is about 763.1199337152.

Adding to 444404445 its reverse (544404444), we get a palindrome (988808889).

Subtracting 444404445 from its reverse (544404444), we obtain a palindrome (99999999).

The spelling of 444404445 in words is "four hundred forty-four million, four hundred four thousand, four hundred forty-five".