44044009 has 2 divisors, whose sum is σ = 44044010. Its totient is φ = 44044008.

The previous prime is 44044003. The next prime is 44044019. The reversal of 44044009 is 90044044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43099225 + 944784 = 6565^2 + 972^2 .

It is a cyclic number.

It is not a de Polignac number, because 44044009 - 2⁵ = 44043977 is a prime.

It is not a weakly prime, because it can be changed into another prime (44044003) 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 as a sum of consecutive naturals, namely, 22022004 + 22022005.

It is an arithmetic number, because the mean of its divisors is an integer number (22022005).

Almost surely, 2^44044009 is an apocalyptic number.

It is an amenable number.

44044009 is a deficient number, since it is larger than the sum of its proper divisors (1).

44044009 is an equidigital number, since it uses as much as digits as its factorization.

44044009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 44044009 is about 6636.5660548208. The cubic root of 44044009 is about 353.1524966607.

The spelling of 44044009 in words is "forty-four million, forty-four thousand, nine".