268307880 has 64 divisors (see below), whose sum is σ = 839928960. Its totient is φ = 68437248.

The previous prime is 268307867. The next prime is 268307881. The reversal of 268307880 is 88703862.

It is not an unprimeable number, because it can be changed into a prime (268307881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45847 + ... + 51366.

It is an arithmetic number, because the mean of its divisors is an integer number (13123890).

Almost surely, 2^268307880 is an apocalyptic number.

268307880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268307880 is an abundant number, since it is smaller than the sum of its proper divisors (571621080).

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

268307880 is a wasteful number, since it uses less digits than its factorization.

268307880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97250 (or 97246 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 268307880 is about 16380.1062267618. The cubic root of 268307880 is about 644.9773683544.

The spelling of 268307880 in words is "two hundred sixty-eight million, three hundred seven thousand, eight hundred eighty".