268317500 has 90 divisors (see below), whose sum is σ = 645674568. Its totient is φ = 97460000.

The previous prime is 268317499. The next prime is 268317523. The reversal of 268317500 is 5713862.

It is a happy number.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

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 29 ways as a sum of consecutive naturals, for example, 302057 + ... + 302943.

Almost surely, 2^268317500 is an apocalyptic number.

268317500 is a gapful number since it is divisible by the number (20) 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 268317500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (322837284).

268317500 is an abundant number, since it is smaller than the sum of its proper divisors (377357068).

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

268317500 is a wasteful number, since it uses less digits than its factorization.

268317500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933 (or 905 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 268317500 is about 16380.3998730190. The cubic root of 268317500 is about 644.9850766733.

The spelling of 268317500 in words is "two hundred sixty-eight million, three hundred seventeen thousand, five hundred".