680468028 has 24 divisors (see below), whose sum is σ = 1594091520. Its totient is φ = 225918000.

The previous prime is 680468023. The next prime is 680468029. The reversal of 680468028 is 820864086.

680468028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680468023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109948 + ... + 115971.

It is an arithmetic number, because the mean of its divisors is an integer number (66420480).

Almost surely, 2^680468028 is an apocalyptic number.

It is an amenable number.

680468028 is an abundant number, since it is smaller than the sum of its proper divisors (913623492).

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

680468028 is a wasteful number, since it uses less digits than its factorization.

680468028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226177 (or 226175 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 42.

The square root of 680468028 is about 26085.7821044338. The cubic root of 680468028 is about 879.5676371235.

The spelling of 680468028 in words is "six hundred eighty million, four hundred sixty-eight thousand, twenty-eight".