2317171640 has 32 divisors (see below), whose sum is σ = 5958442080. Its totient is φ = 794458752.

The previous prime is 2317171631. The next prime is 2317171669. The reversal of 2317171640 is 461717132.

2317171640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2317171597 and 2317171606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4137527 + ... + 4138086.

It is an arithmetic number, because the mean of its divisors is an integer number (186201315).

Almost surely, 2^2317171640 is an apocalyptic number.

2317171640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2317171640 is an abundant number, since it is smaller than the sum of its proper divisors (3641270440).

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

2317171640 is a wasteful number, since it uses less digits than its factorization.

2317171640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8275631 (or 8275627 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 2317171640 is about 48137.0090470939. The cubic root of 2317171640 is about 1323.2830049080.

Adding to 2317171640 its reverse (461717132), we get a palindrome (2778888772).

The spelling of 2317171640 in words is "two billion, three hundred seventeen million, one hundred seventy-one thousand, six hundred forty".