What does 41844 stand for?

Twenty-four hours a day, seven days a week

24/7 means twenty-four hours a day, seven days a week. It is another way of saying "all the time." 24/7 is stated as "twenty-four seven" in verbal conversation and sometimes used for referencing continuous hours of business operation, such as a grocery store or pharmacy that is open 24/7. The term is also used for exaggerating time.