680282280 has 64 divisors (see below), whose sum is σ = 2267611200. Its totient is φ = 181408320.

The previous prime is 680282279. The next prime is 680282287. The reversal of 680282280 is 82282086.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (680282287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 313866 + ... + 316025.

It is an arithmetic number, because the mean of its divisors is an integer number (35431425).

Almost surely, 2^680282280 is an apocalyptic number.

680282280 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

680282280 is an abundant number, since it is smaller than the sum of its proper divisors (1587328920).

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

680282280 is a wasteful number, since it uses less digits than its factorization.

680282280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629911 (or 629901 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 680282280 is about 26082.2215311503. The cubic root of 680282280 is about 879.4875977042.

The spelling of 680282280 in words is "six hundred eighty million, two hundred eighty-two thousand, two hundred eighty".