44009957 has 4 divisors (see below), whose sum is σ = 46598796. Its totient is φ = 41421120.

The previous prime is 44009951. The next prime is 44009963. The reversal of 44009957 is 75990044.

It is a Cunningham number, because it is equal to 6634²+1.

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

It is an interprime number because it is at equal distance from previous prime (44009951) and next prime (44009963).

It can be written as a sum of positive squares in 2 ways, for example, as 34269316 + 9740641 = 5854^2 + 3121^2 .

It is a cyclic number.

It is not a de Polignac number, because 44009957 - 2⁸ = 44009701 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44009957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44009951) 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, 1294394 + ... + 1294427.

It is an arithmetic number, because the mean of its divisors is an integer number (11649699).

Almost surely, 2^44009957 is an apocalyptic number.

It is an amenable number.

44009957 is a deficient number, since it is larger than the sum of its proper divisors (2588839).

44009957 is a wasteful number, since it uses less digits than its factorization.

44009957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2588838.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 44009957 is about 6634.0000753693. Note that the first 4 decimals coincide. The cubic root of 44009957 is about 353.0614615835.

The spelling of 44009957 in words is "forty-four million, nine thousand, nine hundred fifty-seven".