10440440143 has 16 divisors (see below), whose sum is σ = 12203732800. Its totient is φ = 8928154368.

The previous prime is 10440440063. The next prime is 10440440159. The reversal of 10440440143 is 34104404401.

It is a happy number.

It is not a de Polignac number, because 10440440143 - 2²¹ = 10438342991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10440440173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113371 + ... + 183667.

It is an arithmetic number, because the mean of its divisors is an integer number (762733300).

Almost surely, 2^10440440143 is an apocalyptic number.

10440440143 is a deficient number, since it is larger than the sum of its proper divisors (1763292657).

10440440143 is an frugal number, since it uses more digits than its factorization.

10440440143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70751 (or 70737 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 10440440143 its reverse (34104404401), we get a palindrome (44544844544).

The spelling of 10440440143 in words is "ten billion, four hundred forty million, four hundred forty thousand, one hundred forty-three".