440244013403 has 12 divisors (see below), whose sum is σ = 460252919280. Its totient is φ = 421070357136.

The previous prime is 440244013387. The next prime is 440244013483. The reversal of 440244013403 is 304310442044.

It is a happy number.

It is not a de Polignac number, because 440244013403 - 2⁴ = 440244013387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (440244013483) 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 in 11 ways as a sum of consecutive naturals, for example, 9426233 + ... + 9472821.

It is an arithmetic number, because the mean of its divisors is an integer number (38354409940).

Almost surely, 2^440244013403 is an apocalyptic number.

440244013403 is a deficient number, since it is larger than the sum of its proper divisors (20008905877).

440244013403 is a wasteful number, since it uses less digits than its factorization.

440244013403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64498 (or 64475 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 440244013403 its reverse (304310442044), we get a palindrome (744554455447).

The spelling of 440244013403 in words is "four hundred forty billion, two hundred forty-four million, thirteen thousand, four hundred three".