Yes, you can live for 40,000 days. To determine how long that would be in years, you can divide 40,000 by the average number of days in a year (approximately 365.25, accounting for leap years).
40,000 days ÷ 365.25 days/year ≈ 109.6 years.
So, living for 40,000 days would be equivalent to around 109 years and 6 months, which is significantly longer than the average life expectancy in most parts of the world. While some individuals do live to older ages, it is rare.