268481236 has 12 divisors (see below), whose sum is σ = 470545012. Its totient is φ = 134039808.

The previous prime is 268481209. The next prime is 268481237. The reversal of 268481236 is 632184862.

It can be written as a sum of positive squares in 2 ways, for example, as 179292100 + 89189136 = 13390^2 + 9444^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268481237) 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, 47175 + ... + 52558.

Almost surely, 2^268481236 is an apocalyptic number.

It is an amenable number.

268481236 is a deficient number, since it is larger than the sum of its proper divisors (202063776).

268481236 is a wasteful number, since it uses less digits than its factorization.

268481236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100410 (or 100408 counting only the distinct ones).

The product of its digits is 110592, while the sum is 40.

The square root of 268481236 is about 16385.3970351652. The cubic root of 268481236 is about 645.1162469003.

The spelling of 268481236 in words is "two hundred sixty-eight million, four hundred eighty-one thousand, two hundred thirty-six".