440143220403 has 6 divisors (see below), whose sum is σ = 635762429484. Its totient is φ = 293428813596.

The previous prime is 440143220393. The next prime is 440143220449. The reversal of 440143220403 is 304022341044.

It is a happy number.

440143220403 is a `hidden beast` number, since 440 + 14 + 3 + 2 + 204 + 0 + 3 = 666.

It is not a de Polignac number, because 440143220403 - 2¹⁰ = 440143219379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (440143720403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24452401125 + ... + 24452401142.

It is an arithmetic number, because the mean of its divisors is an integer number (105960404914).

Almost surely, 2^440143220403 is an apocalyptic number.

440143220403 is a deficient number, since it is larger than the sum of its proper divisors (195619209081).

440143220403 is a wasteful number, since it uses less digits than its factorization.

440143220403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48904802273 (or 48904802270 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 440143220403 its reverse (304022341044), we get a palindrome (744165561447).

The spelling of 440143220403 in words is "four hundred forty billion, one hundred forty-three million, two hundred twenty thousand, four hundred three".