44211139 has 12 divisors (see below), whose sum is σ = 51047472. Its totient is φ = 37508400.

The previous prime is 44211127. The next prime is 44211143. The reversal of 44211139 is 93111244.

It is a happy number.

44211139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 44211139 - 2¹³ = 44202947 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44211149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 159469 + ... + 159745.

It is an arithmetic number, because the mean of its divisors is an integer number (4253956).

Almost surely, 2^44211139 is an apocalyptic number.

44211139 is a deficient number, since it is larger than the sum of its proper divisors (6836333).

44211139 is an equidigital number, since it uses as much as digits as its factorization.

44211139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586 (or 435 counting only the distinct ones).

The product of its digits is 864, while the sum is 25.

The square root of 44211139 is about 6649.1457346038. The cubic root of 44211139 is about 353.5986252745.

The spelling of 44211139 in words is "forty-four million, two hundred eleven thousand, one hundred thirty-nine".