12440208883 has 4 divisors (see below), whose sum is σ = 12440640240. Its totient is φ = 12439777528.

The previous prime is 12440208863. The next prime is 12440208899. The reversal of 12440208883 is 38880204421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12440208883 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12440208863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169060 + ... + 231217.

It is an arithmetic number, because the mean of its divisors is an integer number (3110160060).

Almost surely, 2^12440208883 is an apocalyptic number.

12440208883 is a deficient number, since it is larger than the sum of its proper divisors (431357).

12440208883 is an equidigital number, since it uses as much as digits as its factorization.

12440208883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431356.

The product of its (nonzero) digits is 98304, while the sum is 40.

The spelling of 12440208883 in words is "twelve billion, four hundred forty million, two hundred eight thousand, eight hundred eighty-three".