6831172940 has 12 divisors (see below), whose sum is σ = 14345463216. Its totient is φ = 2732469168.

The previous prime is 6831172939. The next prime is 6831172967. The reversal of 6831172940 is 492711386.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170779304 + ... + 170779343.

It is an arithmetic number, because the mean of its divisors is an integer number (1195455268).

Almost surely, 2^6831172940 is an apocalyptic number.

It is an amenable number.

6831172940 is an abundant number, since it is smaller than the sum of its proper divisors (7514290276).

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

6831172940 is a wasteful number, since it uses less digits than its factorization.

6831172940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341558656 (or 341558654 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 6831172940 is about 82650.9100978326. The cubic root of 6831172940 is about 1897.4270751025.

The spelling of 6831172940 in words is "six billion, eight hundred thirty-one million, one hundred seventy-two thousand, nine hundred forty".