44544609 has 12 divisors (see below), whose sum is σ = 66561300. Its totient is φ = 28672224.

The previous prime is 44544601. The next prime is 44544611. The reversal of 44544609 is 90644544.

44544609 is a `hidden beast` number, since 4 + 4 + 5 + 44 + 609 = 666.

44544609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 37638225 + 6906384 = 6135^2 + 2628^2 .

It is not a de Polignac number, because 44544609 - 2³ = 44544601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44544601) 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 11 ways as a sum of consecutive naturals, for example, 85074 + ... + 85595.

It is an arithmetic number, because the mean of its divisors is an integer number (5546775).

Almost surely, 2^44544609 is an apocalyptic number.

It is an amenable number.

44544609 is a deficient number, since it is larger than the sum of its proper divisors (22016691).

44544609 is a wasteful number, since it uses less digits than its factorization.

44544609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170704 (or 170701 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 44544609 is about 6674.1747804504. The cubic root of 44544609 is about 354.4854252142.

It can be divided in two parts, 445 and 44609, that added together give a palindrome (45054).

The spelling of 44544609 in words is "forty-four million, five hundred forty-four thousand, six hundred nine".