44280409 has 2 divisors, whose sum is σ = 44280410. Its totient is φ = 44280408.

The previous prime is 44280407. The next prime is 44280463. The reversal of 44280409 is 90408244.

44280409 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., 23377225 + 20903184 = 4835^2 + 4572^2 .

It is a cyclic number.

It is not a de Polignac number, because 44280409 - 2¹ = 44280407 is a prime.

Together with 44280407, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (44280407) 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, 22140204 + 22140205.

It is an arithmetic number, because the mean of its divisors is an integer number (22140205).

Almost surely, 2^44280409 is an apocalyptic number.

It is an amenable number.

44280409 is a deficient number, since it is larger than the sum of its proper divisors (1).

44280409 is an equidigital number, since it uses as much as digits as its factorization.

44280409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 44280409 is about 6654.3526356814. The cubic root of 44280409 is about 353.7832016517.

The spelling of 44280409 in words is "forty-four million, two hundred eighty thousand, four hundred nine".