6680228880 has 640 divisors, whose sum is σ = 25243384320. Its totient is φ = 1445068800.

The previous prime is 6680228879. The next prime is 6680228887. The reversal of 6680228880 is 888220866.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (6680228887) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 66140830 + ... + 66140930.

It is an arithmetic number, because the mean of its divisors is an integer number (39442788).

Almost surely, 2^6680228880 is an apocalyptic number.

6680228880 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6680228880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12621692160).

6680228880 is an abundant number, since it is smaller than the sum of its proper divisors (18563155440).

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

6680228880 is a wasteful number, since it uses less digits than its factorization.

6680228880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219 (or 213 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 48.

The square root of 6680228880 is about 81732.6671533482. The cubic root of 6680228880 is about 1883.3474464358.

The spelling of 6680228880 in words is "six billion, six hundred eighty million, two hundred twenty-eight thousand, eight hundred eighty".