268626408 has 96 divisors (see below), whose sum is σ = 731642400. Its totient is φ = 81959040.

The previous prime is 268626343. The next prime is 268626443. The reversal of 268626408 is 804626862.

It is a self number, because there is not a number n which added to its sum of digits gives 268626408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 437910 + ... + 438522.

It is an arithmetic number, because the mean of its divisors is an integer number (7621275).

Almost surely, 2^268626408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 268626408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (365821200).

268626408 is an abundant number, since it is smaller than the sum of its proper divisors (463015992).

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

268626408 is a wasteful number, since it uses less digits than its factorization.

268626408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703 (or 668 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 42.

The square root of 268626408 is about 16389.8263566153. The cubic root of 268626408 is about 645.2325007615.

The spelling of 268626408 in words is "two hundred sixty-eight million, six hundred twenty-six thousand, four hundred eight".