680289192 has 192 divisors, whose sum is σ = 2158228800. Its totient is φ = 198858240.

The previous prime is 680289191. The next prime is 680289217. The reversal of 680289192 is 291982086.

It is not an unprimeable number, because it can be changed into a prime (680289191) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 619588 + ... + 620684.

It is an arithmetic number, because the mean of its divisors is an integer number (11240775).

Almost surely, 2^680289192 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 680289192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1079114400).

680289192 is an abundant number, since it is smaller than the sum of its proper divisors (1477939608).

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

680289192 is a wasteful number, since it uses less digits than its factorization.

680289192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158 (or 1142 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 680289192 is about 26082.3540348643. The cubic root of 680289192 is about 879.4905763685.

The spelling of 680289192 in words is "six hundred eighty million, two hundred eighty-nine thousand, one hundred ninety-two".