6800640030 has 48 divisors (see below), whose sum is σ = 17945585424. Its totient is φ = 1786435200.

The previous prime is 6800639927. The next prime is 6800640031. The reversal of 6800640030 is 300460086.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6800639976 and 6800640003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6800640031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 557871 + ... + 569930.

It is an arithmetic number, because the mean of its divisors is an integer number (373866363).

Almost surely, 2^6800640030 is an apocalyptic number.

6800640030 is an abundant number, since it is smaller than the sum of its proper divisors (11144945394).

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

6800640030 is a wasteful number, since it uses less digits than its factorization.

6800640030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127881 (or 1127878 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 6800640030 is about 82465.9931729437. The cubic root of 6800640030 is about 1894.5959117316.

The spelling of 6800640030 in words is "six billion, eight hundred million, six hundred forty thousand, thirty".