440041109 has 2 divisors, whose sum is σ = 440041110. Its totient is φ = 440041108.

The previous prime is 440041093. The next prime is 440041163. The reversal of 440041109 is 901140044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 433680625 + 6360484 = 20825^2 + 2522^2 .

It is a cyclic number.

It is not a de Polignac number, because 440041109 - 2⁴ = 440041093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440041309) 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, 220020554 + 220020555.

It is an arithmetic number, because the mean of its divisors is an integer number (220020555).

Almost surely, 2^440041109 is an apocalyptic number.

It is an amenable number.

440041109 is a deficient number, since it is larger than the sum of its proper divisors (1).

440041109 is an equidigital number, since it uses as much as digits as its factorization.

440041109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 440041109 is about 20977.1568378558. The cubic root of 440041109 is about 760.6141786226.

The spelling of 440041109 in words is "four hundred forty million, forty-one thousand, one hundred nine".