44040149 has 4 divisors (see below), whose sum is σ = 46630764. Its totient is φ = 41449536.

The previous prime is 44040133. The next prime is 44040163. The reversal of 44040149 is 94104044.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16056049 + 27984100 = 4007^2 + 5290^2 .

It is not a de Polignac number, because 44040149 - 2⁴ = 44040133 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44040169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1295282 + ... + 1295315.

It is an arithmetic number, because the mean of its divisors is an integer number (11657691).

Almost surely, 2^44040149 is an apocalyptic number.

It is an amenable number.

44040149 is a deficient number, since it is larger than the sum of its proper divisors (2590615).

44040149 is a wasteful number, since it uses less digits than its factorization.

44040149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2590614.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 44040149 is about 6636.2752354013. The cubic root of 44040149 is about 353.1421796430.

The spelling of 44040149 in words is "forty-four million, forty thousand, one hundred forty-nine".