44444309 has 8 divisors (see below), whose sum is σ = 54700800. Its totient is φ = 35164656.

The previous prime is 44444293. The next prime is 44444311. The reversal of 44444309 is 90344444.

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 44444309 - 2⁴ = 44444293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44444399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244109 + ... + 244290.

It is an arithmetic number, because the mean of its divisors is an integer number (6837600).

Almost surely, 2^44444309 is an apocalyptic number.

It is an amenable number.

44444309 is a deficient number, since it is larger than the sum of its proper divisors (10256491).

44444309 is a wasteful number, since it uses less digits than its factorization.

44444309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488419.

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 44444309 is about 6666.6565083256. The cubic root of 44444309 is about 354.2191632325.

The spelling of 44444309 in words is "forty-four million, four hundred forty-four thousand, three hundred nine".