44380009 has 4 divisors (see below), whose sum is σ = 44476740. Its totient is φ = 44283280.

The previous prime is 44379997. The next prime is 44380033. The reversal of 44380009 is 90008344.

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 33177600 + 11202409 = 5760^2 + 3347^2 .

It is a cyclic number.

It is not a de Polignac number, because 44380009 - 2¹⁷ = 44248937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44380099) 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, 47674 + ... + 48595.

It is an arithmetic number, because the mean of its divisors is an integer number (11119185).

Almost surely, 2^44380009 is an apocalyptic number.

It is an amenable number.

44380009 is a deficient number, since it is larger than the sum of its proper divisors (96731).

44380009 is an equidigital number, since it uses as much as digits as its factorization.

44380009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96730.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 44380009 is about 6661.8322554685. The cubic root of 44380009 is about 354.0482580747.

The spelling of 44380009 in words is "forty-four million, three hundred eighty thousand, nine".