44302009 has 2 divisors, whose sum is σ = 44302010. Its totient is φ = 44302008.

The previous prime is 44301991. The next prime is 44302039. The reversal of 44302009 is 90020344.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44023225 + 278784 = 6635^2 + 528^2 .

It is a cyclic number.

It is not a de Polignac number, because 44302009 - 2⁹ = 44301497 is a prime.

It is a super-4 number, since 4×44302009⁴ (a number of 32 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (44302039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22151004 + 22151005.

It is an arithmetic number, because the mean of its divisors is an integer number (22151005).

Almost surely, 2^44302009 is an apocalyptic number.

It is an amenable number.

44302009 is a deficient number, since it is larger than the sum of its proper divisors (1).

44302009 is an equidigital number, since it uses as much as digits as its factorization.

44302009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 44302009 is about 6655.9754356518. The cubic root of 44302009 is about 353.8407174932.

The spelling of 44302009 in words is "forty-four million, three hundred two thousand, nine".