680810280 has 64 divisors (see below), whose sum is σ = 2149934400. Its totient is φ = 171993600.

The previous prime is 680810269. The next prime is 680810287. The reversal of 680810280 is 82018086.

It is not an unprimeable number, because it can be changed into a prime (680810287) 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, 147021 + ... + 151580.

It is an arithmetic number, because the mean of its divisors is an integer number (33592725).

Almost surely, 2^680810280 is an apocalyptic number.

680810280 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

680810280 is an abundant number, since it is smaller than the sum of its proper divisors (1469124120).

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

680810280 is a wasteful number, since it uses less digits than its factorization.

680810280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298634 (or 298630 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 33.

The square root of 680810280 is about 26092.3414050943. The cubic root of 680810280 is about 879.7150764911.

The spelling of 680810280 in words is "six hundred eighty million, eight hundred ten thousand, two hundred eighty".