44620009 has 16 divisors (see below), whose sum is σ = 53493120. Its totient is φ = 36408960.

The previous prime is 44620001. The next prime is 44620027. The reversal of 44620009 is 90002644.

44620009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 44620009 - 2³ = 44620001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44620001) 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 15 ways as a sum of consecutive naturals, for example, 13314 + ... + 16324.

It is an arithmetic number, because the mean of its divisors is an integer number (3343320).

Almost surely, 2^44620009 is an apocalyptic number.

It is an amenable number.

44620009 is a deficient number, since it is larger than the sum of its proper divisors (8873111).

44620009 is a wasteful number, since it uses less digits than its factorization.

44620009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3120.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 44620009 is about 6679.8210305367. The cubic root of 44620009 is about 354.6853232118.

The spelling of 44620009 in words is "forty-four million, six hundred twenty thousand, nine".