30,240

Number
$30,240$ (thirty thousand, two hundred and forty) is:


 * $2^5 \times 3^3 \times 5 \times 7$


 * The $1$st quadruply perfect number:
 * $\sigma \left({30 \, 240}\right) = 120 \, 960 = 4 \times 30 \, 240$

Also see

 * Sigma of 30,240