268881700 has 18 divisors (see below), whose sum is σ = 583473506. Its totient is φ = 107552640.

The previous prime is 268881643. The next prime is 268881719. The reversal of 268881700 is 7188862.

It can be written as a sum of positive squares in 3 ways, for example, as 79709184 + 189172516 = 8928^2 + 13754^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1344309 + ... + 1344508.

Almost surely, 2^268881700 is an apocalyptic number.

268881700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268881700 is an abundant number, since it is smaller than the sum of its proper divisors (314591806).

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

268881700 is a wasteful number, since it uses less digits than its factorization.

268881700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2688831 (or 2688824 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 40.

The square root of 268881700 is about 16397.6126311119. The cubic root of 268881700 is about 645.4368372628.

The spelling of 268881700 in words is "two hundred sixty-eight million, eight hundred eighty-one thousand, seven hundred".