44444112009 has 8 divisors (see below), whose sum is σ = 64645981152. Its totient is φ = 26935825440.

The previous prime is 44444112001. The next prime is 44444112017. The reversal of 44444112009 is 90021144444.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (44444112001) and next prime (44444112017).

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

It is not a de Polignac number, because 44444112009 - 2³ = 44444112001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 1346791273 = 44444112009 / (4 + 4 + 4 + 4 + 4 + 1 + 1 + 2 + 0 + 0 + 9).

It is not an unprimeable number, because it can be changed into a prime (44444112001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 673395604 + ... + 673395669.

It is an arithmetic number, because the mean of its divisors is an integer number (8080747644).

Almost surely, 2^44444112009 is an apocalyptic number.

It is an amenable number.

44444112009 is a deficient number, since it is larger than the sum of its proper divisors (20201869143).

44444112009 is a wasteful number, since it uses less digits than its factorization.

44444112009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1346791287.

The product of its (nonzero) digits is 18432, while the sum is 33.

The spelling of 44444112009 in words is "forty-four billion, four hundred forty-four million, one hundred twelve thousand, nine".