520440184103 has 16 divisors (see below), whose sum is σ = 638870880000. Its totient is φ = 422613076536.

The previous prime is 520440184097. The next prime is 520440184133. The reversal of 520440184103 is 301481044025.

It is not a de Polignac number, because 520440184103 - 2⁴ = 520440184087 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 520440184103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520440184133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39922913 + ... + 39935946.

It is an arithmetic number, because the mean of its divisors is an integer number (39929430000).

Almost surely, 2^520440184103 is an apocalyptic number.

520440184103 is a deficient number, since it is larger than the sum of its proper divisors (118430695897).

520440184103 is an equidigital number, since it uses as much as digits as its factorization.

520440184103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79858899 (or 79858885 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The spelling of 520440184103 in words is "five hundred twenty billion, four hundred forty million, one hundred eighty-four thousand, one hundred three".