44039790 has 48 divisors (see below), whose sum is σ = 115435008. Its totient is φ = 11648448.

The previous prime is 44039773. The next prime is 44039797. The reversal of 44039790 is 9793044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44039797) 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 23 ways as a sum of consecutive naturals, for example, 9504 + ... + 13356.

It is an arithmetic number, because the mean of its divisors is an integer number (2404896).

Almost surely, 2^44039790 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44039790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57717504).

44039790 is an abundant number, since it is smaller than the sum of its proper divisors (71395218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

44039790 is a wasteful number, since it uses less digits than its factorization.

44039790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3993 (or 3990 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 44039790 is about 6636.2481870406. The cubic root of 44039790 is about 353.1412200762.

The spelling of 44039790 in words is "forty-four million, thirty-nine thousand, seven hundred ninety".