44031901 has 4 divisors (see below), whose sum is σ = 44172892. Its totient is φ = 43890912.

The previous prime is 44031829. The next prime is 44031907. The reversal of 44031901 is 10913044.

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 3404025 + 40627876 = 1845^2 + 6374^2 .

It is a cyclic number.

It is not a de Polignac number, because 44031901 - 2¹⁵ = 43999133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44031907) 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 3 ways as a sum of consecutive naturals, for example, 70026 + ... + 70651.

It is an arithmetic number, because the mean of its divisors is an integer number (11043223).

Almost surely, 2^44031901 is an apocalyptic number.

It is an amenable number.

44031901 is a deficient number, since it is larger than the sum of its proper divisors (140991).

44031901 is a wasteful number, since it uses less digits than its factorization.

44031901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140990.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 44031901 is about 6635.6537733670. The cubic root of 44031901 is about 353.1201323473.

Adding to 44031901 its reverse (10913044), we get a palindrome (54944945).

The spelling of 44031901 in words is "forty-four million, thirty-one thousand, nine hundred one".