I have the 401 k plan at work, but I need to withdrawal the money to pay for funeral expences I want to know what's the penalties and taxes ,and also if when I receive the money do I have to reported to my taxes even if they withhold the taxes in the 401 k plan

Any withdrawal from 401K is your ordinary income. So you must report it on your tax return.
If you are under 59 1/2, you will also pay 10% early withdrawal penalty. Your U.S. Tax Return: Elective Deferrals 401(k) Plans (http://taxipay.blogspot.com/2008/08/elective-deferrals-401k-plans.html)