6805591340 has 12 divisors (see below), whose sum is σ = 14291741856. Its totient is φ = 2722236528.

The previous prime is 6805591339. The next prime is 6805591343. The reversal of 6805591340 is 431955086.

It is not an unprimeable number, because it can be changed into a prime (6805591343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170139764 + ... + 170139803.

It is an arithmetic number, because the mean of its divisors is an integer number (1190978488).

Almost surely, 2^6805591340 is an apocalyptic number.

It is an amenable number.

6805591340 is an abundant number, since it is smaller than the sum of its proper divisors (7486150516).

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

6805591340 is a wasteful number, since it uses less digits than its factorization.

6805591340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340279576 (or 340279574 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 6805591340 is about 82496.0080246311. The cubic root of 6805591340 is about 1895.0555967008.

The spelling of 6805591340 in words is "six billion, eight hundred five million, five hundred ninety-one thousand, three hundred forty".