The National Lottery estimates that €25 million will be distributed to various organisations as a result of tickets bought since the rollover began two months ago.
Previously, the biggest winners were the Cunningham family from Fairhill, Cork, who won €16,185,749 last year.
Dolores McNamara, from Limerick, remains the biggest winner of the EuroMillions jackpot. She scooped €115 million in July 2005.
The largest jackpot to date in the world is €231 million ($365 million). It was shared by eight co-workers at a food-processing plant in Nebraska in February 2006.