Fatto generale: 26426 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 26426 is an unremarkable number.
Trivia: 26426 is an uninteresting number.
Data storica: May 7th is the day in 1429 that Joan of Arc ends the Siege of Orléans, pulling an arrow from her own shoulder and returning, wounded, to lead the final charge.