That's just so cool man. Never seen that much money at once in my whole career of research scientist. Lolz. You are so lucky to have this man, just remember to use this money wisely. I don't know may be you should take out some of the portion, put it into your savings account and create fixes deposits.
Secure your life ahead. I don't know in which country you are but in my country that good amount of money.
I don't think you really need to share that money!! Before you share you settle yourself then spread the love.
Congrats.