44064565 has 4 divisors (see below), whose sum is σ = 52877484. Its totient is φ = 35251648.

The previous prime is 44064499. The next prime is 44064569. The reversal of 44064565 is 56546044.

44064565 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 16112196 + 27952369 = 4014^2 + 5287^2 .

It is a cyclic number.

It is not a de Polignac number, because 44064565 - 2⁷ = 44064437 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 44064565.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44064569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4406452 + ... + 4406461.

It is an arithmetic number, because the mean of its divisors is an integer number (13219371).

Almost surely, 2^44064565 is an apocalyptic number.

It is an amenable number.

44064565 is a deficient number, since it is larger than the sum of its proper divisors (8812919).

44064565 is an equidigital number, since it uses as much as digits as its factorization.

44064565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8812918.

The product of its (nonzero) digits is 57600, while the sum is 34.

The square root of 44064565 is about 6638.1145666522. The cubic root of 44064565 is about 353.2074286391.

The spelling of 44064565 in words is "forty-four million, sixty-four thousand, five hundred sixty-five".