44045572399 has 4 divisors (see below), whose sum is σ = 46363760440. Its totient is φ = 41727384360.

The previous prime is 44045572367. The next prime is 44045572411. The reversal of 44045572399 is 99327554044.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 44045572399 - 2⁵ = 44045572367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44045572349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1159093992 + ... + 1159094029.

It is an arithmetic number, because the mean of its divisors is an integer number (11590940110).

Almost surely, 2^44045572399 is an apocalyptic number.

44045572399 is a deficient number, since it is larger than the sum of its proper divisors (2318188041).

44045572399 is a wasteful number, since it uses less digits than its factorization.

44045572399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2318188040.

The product of its (nonzero) digits is 5443200, while the sum is 52.

The spelling of 44045572399 in words is "forty-four billion, forty-five million, five hundred seventy-two thousand, three hundred ninety-nine".