444508089 has 8 divisors (see below), whose sum is σ = 593504640. Its totient is φ = 295925136.

The previous prime is 444508081. The next prime is 444508111. The reversal of 444508089 is 980805444.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 444508089 - 2³ = 444508081 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 444508089.

It is not an unprimeable number, because it can be changed into a prime (444508081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100882 + ... + 105195.

It is an arithmetic number, because the mean of its divisors is an integer number (74188080).

Almost surely, 2^444508089 is an apocalyptic number.

It is an amenable number.

444508089 is a deficient number, since it is larger than the sum of its proper divisors (148996551).

444508089 is a wasteful number, since it uses less digits than its factorization.

444508089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206799.

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 444508089 is about 21083.3604769259. The cubic root of 444508089 is about 763.1792540448.

The spelling of 444508089 in words is "four hundred forty-four million, five hundred eight thousand, eighty-nine".