44041232138 has 16 divisors (see below), whose sum is σ = 70302915144. Its totient is φ = 20620078080.

The previous prime is 44041232107. The next prime is 44041232161. The reversal of 44041232138 is 83123214044.

It can be written as a sum of positive squares in 4 ways, for example, as 40797132289 + 3244099849 = 201983^2 + 56957^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3280943 + ... + 3294338.

Almost surely, 2^44041232138 is an apocalyptic number.

44041232138 is a deficient number, since it is larger than the sum of its proper divisors (26261683006).

44041232138 is a wasteful number, since it uses less digits than its factorization.

44041232138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6575497.

The product of its (nonzero) digits is 18432, while the sum is 32.

The spelling of 44041232138 in words is "forty-four billion, forty-one million, two hundred thirty-two thousand, one hundred thirty-eight".