240515242 has 32 divisors (see below), whose sum is σ = 402361344. Its totient is φ = 106911600.

The previous prime is 240515227. The next prime is 240515251. The reversal of 240515242 is 242515042.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194767 + ... + 195997.

It is an arithmetic number, because the mean of its divisors is an integer number (12573792).

Almost surely, 2^240515242 is an apocalyptic number.

240515242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

240515242 is a deficient number, since it is larger than the sum of its proper divisors (161846102).

240515242 is a wasteful number, since it uses less digits than its factorization.

240515242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1434.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 240515242 is about 15508.5538332883. The cubic root of 240515242 is about 621.8908990725.

The spelling of 240515242 in words is "two hundred forty million, five hundred fifteen thousand, two hundred forty-two".