268533988 has 6 divisors (see below), whose sum is σ = 469934486. Its totient is φ = 134266992.

The previous prime is 268533971. The next prime is 268534001. The reversal of 268533988 is 889335862.

It is a happy number.

268533988 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 260112384 + 8421604 = 16128^2 + 2902^2 .

It is a super-2 number, since 2×268533988² = 144221005422368288, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33566745 + ... + 33566752.

Almost surely, 2^268533988 is an apocalyptic number.

It is an amenable number.

268533988 is a deficient number, since it is larger than the sum of its proper divisors (201400498).

268533988 is a wasteful number, since it uses less digits than its factorization.

268533988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67133501 (or 67133499 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 52.

The square root of 268533988 is about 16387.0066821247. The cubic root of 268533988 is about 645.1584955929.

The spelling of 268533988 in words is "two hundred sixty-eight million, five hundred thirty-three thousand, nine hundred eighty-eight".