44139244 has 6 divisors (see below), whose sum is σ = 77243684. Its totient is φ = 22069620.

The previous prime is 44139241. The next prime is 44139253. The reversal of 44139244 is 44293144.

It is not an unprimeable number, because it can be changed into a prime (44139241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5517402 + ... + 5517409.

Almost surely, 2^44139244 is an apocalyptic number.

It is an amenable number.

44139244 is a deficient number, since it is larger than the sum of its proper divisors (33104440).

44139244 is a wasteful number, since it uses less digits than its factorization.

44139244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11034815 (or 11034813 counting only the distinct ones).

The product of its digits is 13824, while the sum is 31.

The square root of 44139244 is about 6643.7372013047. The cubic root of 44139244 is about 353.4068503328.

The spelling of 44139244 in words is "forty-four million, one hundred thirty-nine thousand, two hundred forty-four".