44474509 has 4 divisors (see below), whose sum is σ = 44585820. Its totient is φ = 44363200.

The previous prime is 44474501. The next prime is 44474539. The reversal of 44474509 is 90547444.

It is a happy number.

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 40386025 + 4088484 = 6355^2 + 2022^2 .

It is a cyclic number.

It is not a de Polignac number, because 44474509 - 2³ = 44474501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44474501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55054 + ... + 55855.

It is an arithmetic number, because the mean of its divisors is an integer number (11146455).

Almost surely, 2^44474509 is an apocalyptic number.

It is an amenable number.

44474509 is a deficient number, since it is larger than the sum of its proper divisors (111311).

44474509 is a wasteful number, since it uses less digits than its factorization.

44474509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111310.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 44474509 is about 6668.9211271389. The cubic root of 44474509 is about 354.2993759520.

The spelling of 44474509 in words is "forty-four million, four hundred seventy-four thousand, five hundred nine".