44023007809 has 16 divisors (see below), whose sum is σ = 50597784000. Its totient is φ = 37880766720.

The previous prime is 44023007783. The next prime is 44023007879. The reversal of 44023007809 is 90870032044.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 44023007809 - 2²¹ = 44020910657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44023007879) 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, 142677 + ... + 329245.

It is an arithmetic number, because the mean of its divisors is an integer number (3162361500).

Almost surely, 2^44023007809 is an apocalyptic number.

It is an amenable number.

44023007809 is a deficient number, since it is larger than the sum of its proper divisors (6574776191).

44023007809 is a wasteful number, since it uses less digits than its factorization.

44023007809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187728.

The product of its (nonzero) digits is 48384, while the sum is 37.

The spelling of 44023007809 in words is "forty-four billion, twenty-three million, seven thousand, eight hundred nine".