317811784040 has 16 divisors (see below), whose sum is σ = 715076514180. Its totient is φ = 127124713600.

The previous prime is 317811784001. The next prime is 317811784051. The reversal of 317811784040 is 40487118713.

It can be written as a sum of positive squares in 2 ways, for example, as 314332907716 + 3478876324 = 560654^2 + 58982^2 .

It is a junction number, because it is equal to n+sod(n) for n = 317811783982 and 317811784000.

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 3 ways as a sum of consecutive naturals, for example, 3972647261 + ... + 3972647340.

Almost surely, 2^317811784040 is an apocalyptic number.

It is an amenable number.

317811784040 is an abundant number, since it is smaller than the sum of its proper divisors (397264730140).

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

317811784040 is a wasteful number, since it uses less digits than its factorization.

317811784040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7945294612 (or 7945294608 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 44.

The spelling of 317811784040 in words is "three hundred seventeen billion, eight hundred eleven million, seven hundred eighty-four thousand, forty".