264 (number)

264 (two hundred [and] sixty-four) is the natural number following 263 and preceding 265.

In mathematics

 * 264 is an even composite number with three distinct prime factors (264 = 23×3×11).
 * 264 is a Harshad number.
 * 264 can be divided by each of its digits.

In technology

 * Advanced Video Coding also known as "H-264"
 * +264 is the telephone country code for Namibia

Other fields

 * The calendar years 264 AD and 264 BC
 * The longest someone has gone without sleeping is 264 hours.
 * NGC 264, a lenticular galaxy