6680819240 has 32 divisors (see below), whose sum is σ = 15256205280. Its totient is φ = 2632441152.

The previous prime is 6680819219. The next prime is 6680819263. The reversal of 6680819240 is 429180866.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 6680819191 and 6680819200.

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, 1243742 + ... + 1249101.

It is an arithmetic number, because the mean of its divisors is an integer number (476756415).

Almost surely, 2^6680819240 is an apocalyptic number.

It is an amenable number.

6680819240 is an abundant number, since it is smaller than the sum of its proper divisors (8575386040).

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

6680819240 is a wasteful number, since it uses less digits than its factorization.

6680819240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2492921 (or 2492917 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 6680819240 is about 81736.2786038122. The cubic root of 6680819240 is about 1883.4029245872.

The spelling of 6680819240 in words is "six billion, six hundred eighty million, eight hundred nineteen thousand, two hundred forty".