680229558 has 24 divisors (see below), whose sum is σ = 1494591696. Its totient is φ = 223549200.

The previous prime is 680229553. The next prime is 680229569. The reversal of 680229558 is 855922086.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680229553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 264853 + ... + 267408.

It is an arithmetic number, because the mean of its divisors is an integer number (62274654).

Almost surely, 2^680229558 is an apocalyptic number.

680229558 is an abundant number, since it is smaller than the sum of its proper divisors (814362138).

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

680229558 is a wasteful number, since it uses less digits than its factorization.

680229558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532340 (or 532337 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The square root of 680229558 is about 26081.2108231194. The cubic root of 680229558 is about 879.4648769678.

The spelling of 680229558 in words is "six hundred eighty million, two hundred twenty-nine thousand, five hundred fifty-eight".