44004809 has 2 divisors, whose sum is σ = 44004810. Its totient is φ = 44004808.

The previous prime is 44004797. The next prime is 44004827. The reversal of 44004809 is 90840044.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36966400 + 7038409 = 6080^2 + 2653^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44004809 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (44004839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22002404 + 22002405.

It is an arithmetic number, because the mean of its divisors is an integer number (22002405).

Almost surely, 2^44004809 is an apocalyptic number.

It is an amenable number.

44004809 is a deficient number, since it is larger than the sum of its proper divisors (1).

44004809 is an equidigital number, since it uses as much as digits as its factorization.

44004809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 44004809 is about 6633.6120628207. The cubic root of 44004809 is about 353.0476947649.

The spelling of 44004809 in words is "forty-four million, four thousand, eight hundred nine".