A \(40\)-term A.P. has the property that the first \(nine\) terms sum to \(153\) and the last \(six\) terms sum to \(687\). Evaluate the first term, the common difference, and the total sum of the sequence.
 
First term \(=\)
 
Common difference \(=\)
 
Sum of \(40\) terms \(=\)