44039091 has 4 divisors (see below), whose sum is σ = 58718792. Its totient is φ = 29359392.

The previous prime is 44039077. The next prime is 44039111. The reversal of 44039091 is 19093044.

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

It is not a de Polignac number, because 44039091 - 2⁵ = 44039059 is a prime.

It is a super-2 number, since 2×44039091² = 3878883072212562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44039041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7339846 + ... + 7339851.

It is an arithmetic number, because the mean of its divisors is an integer number (14679698).

Almost surely, 2^44039091 is an apocalyptic number.

44039091 is a deficient number, since it is larger than the sum of its proper divisors (14679701).

44039091 is a wasteful number, since it uses less digits than its factorization.

44039091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14679700.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 44039091 is about 6636.1955215319. The cubic root of 44039091 is about 353.1393517126.

The spelling of 44039091 in words is "forty-four million, thirty-nine thousand, ninety-one".