44356409 has 2 divisors, whose sum is σ = 44356410. Its totient is φ = 44356408.

The previous prime is 44356387. The next prime is 44356421. The reversal of 44356409 is 90465344.

44356409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38402809 + 5953600 = 6197^2 + 2440^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44356409 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (44350409) 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, 22178204 + 22178205.

It is an arithmetic number, because the mean of its divisors is an integer number (22178205).

Almost surely, 2^44356409 is an apocalyptic number.

It is an amenable number.

44356409 is a deficient number, since it is larger than the sum of its proper divisors (1).

44356409 is an equidigital number, since it uses as much as digits as its factorization.

44356409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 44356409 is about 6660.0607354588. The cubic root of 44356409 is about 353.9854894198.

The spelling of 44356409 in words is "forty-four million, three hundred fifty-six thousand, four hundred nine".