268702660 has 12 divisors (see below), whose sum is σ = 564275628. Its totient is φ = 107481056.

The previous prime is 268702639. The next prime is 268702667. The reversal of 268702660 is 66207862.

It can be written as a sum of positive squares in 2 ways, for example, as 134513604 + 134189056 = 11598^2 + 11584^2 .

It is a super-2 number, since 2×268702660² = 144402238982151200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (268702667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6717547 + ... + 6717586.

It is an arithmetic number, because the mean of its divisors is an integer number (47022969).

Almost surely, 2^268702660 is an apocalyptic number.

268702660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268702660 is an abundant number, since it is smaller than the sum of its proper divisors (295572968).

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

268702660 is a wasteful number, since it uses less digits than its factorization.

268702660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13435142 (or 13435140 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 268702660 is about 16392.1523907021. The cubic root of 268702660 is about 645.2935466510.

The spelling of 268702660 in words is "two hundred sixty-eight million, seven hundred two thousand, six hundred sixty".