268091208 has 256 divisors, whose sum is σ = 944640000. Its totient is φ = 69284160.

The previous prime is 268091203. The next prime is 268091209. The reversal of 268091208 is 802190862.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (268091203) 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 in 63 ways as a sum of consecutive naturals, for example, 1347093 + ... + 1347291.

It is an arithmetic number, because the mean of its divisors is an integer number (3690000).

Almost surely, 2^268091208 is an apocalyptic number.

268091208 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 268091208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (472320000).

268091208 is an abundant number, since it is smaller than the sum of its proper divisors (676548792).

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

268091208 is a wasteful number, since it uses less digits than its factorization.

268091208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244 (or 222 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 268091208 is about 16373.4910144416. The cubic root of 268091208 is about 644.8037044635.

The spelling of 268091208 in words is "two hundred sixty-eight million, ninety-one thousand, two hundred eight".