268922808 has 512 divisors, whose sum is σ = 1050624000. Its totient is φ = 61585920.

The previous prime is 268922761. The next prime is 268922851. The reversal of 268922808 is 808229862.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 7268166 + ... + 7268202.

It is an arithmetic number, because the mean of its divisors is an integer number (2052000).

Almost surely, 2^268922808 is an apocalyptic number.

268922808 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 268922808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (525312000).

268922808 is an abundant number, since it is smaller than the sum of its proper divisors (781701192).

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

268922808 is a wasteful number, since it uses less digits than its factorization.

268922808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 268922808 is about 16398.8660583590. The cubic root of 268922808 is about 645.4697281407.

The spelling of 268922808 in words is "two hundred sixty-eight million, nine hundred twenty-two thousand, eight hundred eight".