444434322009 has 16 divisors (see below), whose sum is σ = 598051879040. Its totient is φ = 293553486720.

The previous prime is 444434321971. The next prime is 444434322019. The reversal of 444434322009 is 900223434444.

It is not a de Polignac number, because 444434322009 - 2³³ = 435844387417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (444434322019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7418244 + ... + 7477914.

It is an arithmetic number, because the mean of its divisors is an integer number (37378242440).

Almost surely, 2^444434322009 is an apocalyptic number.

It is an amenable number.

444434322009 is a deficient number, since it is larger than the sum of its proper divisors (153617557031).

444434322009 is a wasteful number, since it uses less digits than its factorization.

444434322009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82560.

The product of its (nonzero) digits is 331776, while the sum is 39.

The spelling of 444434322009 in words is "four hundred forty-four billion, four hundred thirty-four million, three hundred twenty-two thousand, nine".