444494128 has 20 divisors (see below), whose sum is σ = 927454528. Its totient is φ = 205151040.

The previous prime is 444494123. The next prime is 444494177. The reversal of 444494128 is 821494444.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (444494123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1068288 + ... + 1068703.

Almost surely, 2^444494128 is an apocalyptic number.

It is an amenable number.

444494128 is an abundant number, since it is smaller than the sum of its proper divisors (482960400).

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

444494128 is a wasteful number, since it uses less digits than its factorization.

444494128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2137012 (or 2137006 counting only the distinct ones).

The product of its digits is 147456, while the sum is 40.

The square root of 444494128 is about 21083.0293838433. The cubic root of 444494128 is about 763.1712640462.

The spelling of 444494128 in words is "four hundred forty-four million, four hundred ninety-four thousand, one hundred twenty-eight".