268204756 has 6 divisors (see below), whose sum is σ = 469358330. Its totient is φ = 134102376.

The previous prime is 268204697. The next prime is 268204757. The reversal of 268204756 is 657402862.

It can be written as a sum of positive squares in only one way, i.e., 169520400 + 98684356 = 13020^2 + 9934^2 .

It is a super-2 number, since 2×268204756² = 143867582282039072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268204757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33525591 + ... + 33525598.

Almost surely, 2^268204756 is an apocalyptic number.

It is an amenable number.

268204756 is a deficient number, since it is larger than the sum of its proper divisors (201153574).

268204756 is a wasteful number, since it uses less digits than its factorization.

268204756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67051193 (or 67051191 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 268204756 is about 16376.9580814021. The cubic root of 268204756 is about 644.8947255222.

The spelling of 268204756 in words is "two hundred sixty-eight million, two hundred four thousand, seven hundred fifty-six".