444226544 has 20 divisors (see below), whose sum is σ = 863502024. Its totient is φ = 221387328.

The previous prime is 444226543. The next prime is 444226567. The reversal of 444226544 is 445622444.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444226543) 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 3 ways as a sum of consecutive naturals, for example, 40307 + ... + 50130.

Almost surely, 2^444226544 is an apocalyptic number.

It is an amenable number.

444226544 is a deficient number, since it is larger than the sum of its proper divisors (419275480).

444226544 is a wasteful number, since it uses less digits than its factorization.

444226544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90752 (or 90746 counting only the distinct ones).

The product of its digits is 122880, while the sum is 35.

The square root of 444226544 is about 21076.6824713948. The cubic root of 444226544 is about 763.0180911103.

Adding to 444226544 its reverse (445622444), we get a palindrome (889848988).

The spelling of 444226544 in words is "four hundred forty-four million, two hundred twenty-six thousand, five hundred forty-four".