44039908091809 has 8 divisors (see below), whose sum is σ = 50480674644608. Its totient is φ = 37636479316800.

The previous prime is 44039908091791. The next prime is 44039908091863. The reversal of 44039908091809 is 90819080993044.

44039908091809 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 44039908091809 - 2³¹ = 44037760608161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44039908091899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9334441917 + ... + 9334446634.

It is an arithmetic number, because the mean of its divisors is an integer number (6310084330576).

Almost surely, 2^{44039908091809} is an apocalyptic number.

It is an amenable number.

44039908091809 is a deficient number, since it is larger than the sum of its proper divisors (6440766552799).

44039908091809 is a wasteful number, since it uses less digits than its factorization.

44039908091809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18668888895.

The product of its (nonzero) digits is 20155392, while the sum is 64.

The spelling of 44039908091809 in words is "forty-four trillion, thirty-nine billion, nine hundred eight million, ninety-one thousand, eight hundred nine".