680543248 has 160 divisors (see below), whose sum is σ = 1723318272. Its totient is φ = 252633600.

The previous prime is 680543243. The next prime is 680543263. The reversal of 680543248 is 842345086.

It is a super-2 number, since 2×680543248² = 926278224796779008, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 680543248.

It is not an unprimeable number, because it can be changed into a prime (680543243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3933690 + ... + 3933862.

Almost surely, 2^680543248 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 680543248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (861659136).

680543248 is an abundant number, since it is smaller than the sum of its proper divisors (1042775024).

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

680543248 is a wasteful number, since it uses less digits than its factorization.

680543248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333 (or 327 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 40.

The square root of 680543248 is about 26087.2238461665. The cubic root of 680543248 is about 879.6000455235.

The spelling of 680543248 in words is "six hundred eighty million, five hundred forty-three thousand, two hundred forty-eight".