44413409 has 2 divisors, whose sum is σ = 44413410. Its totient is φ = 44413408.

The previous prime is 44413399. The next prime is 44413427. The reversal of 44413409 is 90431444.

44413409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43930384 + 483025 = 6628^2 + 695^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44413409 is a prime.

It is not a weakly prime, because it can be changed into another prime (44413459) 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 as a sum of consecutive naturals, namely, 22206704 + 22206705.

It is an arithmetic number, because the mean of its divisors is an integer number (22206705).

Almost surely, 2^44413409 is an apocalyptic number.

It is an amenable number.

44413409 is a deficient number, since it is larger than the sum of its proper divisors (1).

44413409 is an equidigital number, since it uses as much as digits as its factorization.

44413409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 44413409 is about 6664.3386018419. The cubic root of 44413409 is about 354.1370536594.

The spelling of 44413409 in words is "forty-four million, four hundred thirteen thousand, four hundred nine".