240 (two hundred [and] forty) is a natural number following and preceding two primes 239 and 241.

Mathematics 240 is a composite number as well as a highly composite number.

240 is a pronic number being the product of 15 and 16.

240 is a abundant number.

240 is a humble number.

240° is 2/3 of a circle.

E8 has 240 roots.

References