268908276 has 144 divisors (see below), whose sum is σ = 795088896. Its totient is φ = 70108416.

The previous prime is 268908223. The next prime is 268908287. The reversal of 268908276 is 672809862.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 970650 + ... + 970926.

Almost surely, 2^268908276 is an apocalyptic number.

268908276 is a gapful number since it is divisible by the number (26) 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 268908276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (397544448).

268908276 is an abundant number, since it is smaller than the sum of its proper divisors (526180620).

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

268908276 is a wasteful number, since it uses less digits than its factorization.

268908276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438 (or 429 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 48.

The square root of 268908276 is about 16398.4229729569. The cubic root of 268908276 is about 645.4581013408.

The spelling of 268908276 in words is "two hundred sixty-eight million, nine hundred eight thousand, two hundred seventy-six".