44120639 has 8 divisors (see below), whose sum is σ = 45735168. Its totient is φ = 42534360.

The previous prime is 44120597. The next prime is 44120663. The reversal of 44120639 is 93602144.

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

It is a cyclic number.

It is not a de Polignac number, because 44120639 - 2²⁴ = 27343423 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 (44126639) 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, 3857 + ... + 10154.

It is an arithmetic number, because the mean of its divisors is an integer number (5716896).

Almost surely, 2^44120639 is an apocalyptic number.

44120639 is a deficient number, since it is larger than the sum of its proper divisors (1614529).

44120639 is a wasteful number, since it uses less digits than its factorization.

44120639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14125.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 44120639 is about 6642.3368628819. The cubic root of 44120639 is about 353.3571888684.

The spelling of 44120639 in words is "forty-four million, one hundred twenty thousand, six hundred thirty-nine".