680278482 has 48 divisors (see below), whose sum is σ = 1592293248. Its totient is φ = 208660320.

The previous prime is 680278481. The next prime is 680278499. The reversal of 680278482 is 284872086.

It is a happy number.

It is a super-4 number, since 4×680278482⁴ (a number of 36 digits) contains 4444 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (680278481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73063 + ... + 81845.

It is an arithmetic number, because the mean of its divisors is an integer number (33172776).

Almost surely, 2^680278482 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 680278482, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (796146624).

680278482 is an abundant number, since it is smaller than the sum of its proper divisors (912014766).

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

680278482 is a wasteful number, since it uses less digits than its factorization.

680278482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9135 (or 9132 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The square root of 680278482 is about 26082.1487228334. The cubic root of 680278482 is about 879.4859609816.

The spelling of 680278482 in words is "six hundred eighty million, two hundred seventy-eight thousand, four hundred eighty-two".