44008408165 has 8 divisors (see below), whose sum is σ = 52814112120. Its totient is φ = 35204044992.

The previous prime is 44008408163. The next prime is 44008408177. The reversal of 44008408165 is 56180480044.

It can be written as a sum of positive squares in 4 ways, for example, as 2046114756 + 41962293409 = 45234^2 + 204847^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 44008408165 - 2¹ = 44008408163 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44008408163) by changing a digit.

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, 261510 + ... + 395479.

It is an arithmetic number, because the mean of its divisors is an integer number (6601764015).

Almost surely, 2^44008408165 is an apocalyptic number.

It is an amenable number.

44008408165 is a deficient number, since it is larger than the sum of its proper divisors (8805703955).

44008408165 is a wasteful number, since it uses less digits than its factorization.

44008408165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670391.

The product of its (nonzero) digits is 122880, while the sum is 40.

The spelling of 44008408165 in words is "forty-four billion, eight million, four hundred eight thousand, one hundred sixty-five".