680355248 has 20 divisors (see below), whose sum is σ = 1318618728. Its totient is φ = 340066560.

The previous prime is 680355241. The next prime is 680355251. The reversal of 680355248 is 842553086.

It is a super-2 number, since 2×680355248² = 925766526962283008, which contains 22 as substring.

It is a Smith number, since the sum of its digits (41) 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 (680355241) 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 3 ways as a sum of consecutive naturals, for example, 68315 + ... + 77637.

Almost surely, 2^680355248 is an apocalyptic number.

It is an amenable number.

680355248 is a deficient number, since it is larger than the sum of its proper divisors (638263480).

680355248 is a wasteful number, since it uses less digits than its factorization.

680355248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13892 (or 13886 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 41.

The square root of 680355248 is about 26083.6203008708. The cubic root of 680355248 is about 879.5190415908.

The spelling of 680355248 in words is "six hundred eighty million, three hundred fifty-five thousand, two hundred forty-eight".