240224515 has 4 divisors (see below), whose sum is σ = 288269424. Its totient is φ = 192179608.

The previous prime is 240224471. The next prime is 240224521. The reversal of 240224515 is 515422042.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 240224515 - 2²⁷ = 106006787 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 240224515.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24022447 + ... + 24022456.

It is an arithmetic number, because the mean of its divisors is an integer number (72067356).

Almost surely, 2^240224515 is an apocalyptic number.

240224515 is a deficient number, since it is larger than the sum of its proper divisors (48044909).

240224515 is an equidigital number, since it uses as much as digits as its factorization.

240224515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48044908.

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

The square root of 240224515 is about 15499.1778814233. The cubic root of 240224515 is about 621.6402242137.

Adding to 240224515 its reverse (515422042), we get a palindrome (755646557).

The spelling of 240224515 in words is "two hundred forty million, two hundred twenty-four thousand, five hundred fifteen".