403256445003650 has 48 divisors (see below), whose sum is σ = 877143055424064. Its totient is φ = 135044018786880.

The previous prime is 403256445003641. The next prime is 403256445003689. The reversal of 403256445003650 is 56300544652304.

It is a junction number, because it is equal to n+sod(n) for n = 403256445003595 and 403256445003604.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 13397209037 + ... + 13397239136.

It is an arithmetic number, because the mean of its divisors is an integer number (18273813654668).

Almost surely, 2^{403256445003650} is an apocalyptic number.

403256445003650 is an abundant number, since it is smaller than the sum of its proper divisors (473886610420414).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

403256445003650 is a wasteful number, since it uses less digits than its factorization.

403256445003650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26794448235 (or 26794448230 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 47.

Adding to 403256445003650 its reverse (56300544652304), we get a palindrome (459556989655954).

The spelling of 403256445003650 in words is "four hundred three trillion, two hundred fifty-six billion, four hundred forty-five million, three thousand, six hundred fifty".