268841280 has 112 divisors (see below), whose sum is σ = 858585024. Its totient is φ = 71270400.

The previous prime is 268841257. The next prime is 268841299. The reversal of 268841280 is 82148862.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184555 + ... + 186005.

Almost surely, 2^268841280 is an apocalyptic number.

268841280 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 268841280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (429292512).

268841280 is an abundant number, since it is smaller than the sum of its proper divisors (589743744).

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

268841280 is a wasteful number, since it uses less digits than its factorization.

268841280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1664 (or 1654 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 39.

The square root of 268841280 is about 16396.3800883000. The cubic root of 268841280 is about 645.4044935911.

The spelling of 268841280 in words is "two hundred sixty-eight million, eight hundred forty-one thousand, two hundred eighty".