240240015 has 12 divisors (see below), whose sum is σ = 416416104. Its totient is φ = 128127984.

The previous prime is 240239969. The next prime is 240240019. The reversal of 240240015 is 510042042.

It is not a de Polignac number, because 240240015 - 2⁷ = 240239887 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 240240015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240240019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2669289 + ... + 2669378.

It is an arithmetic number, because the mean of its divisors is an integer number (34701342).

Almost surely, 2^240240015 is an apocalyptic number.

240240015 is a deficient number, since it is larger than the sum of its proper divisors (176176089).

240240015 is a wasteful number, since it uses less digits than its factorization.

240240015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5338678 (or 5338675 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 240240015 is about 15499.6778998791. The cubic root of 240240015 is about 621.6535939514.

Adding to 240240015 its reverse (510042042), we get a palindrome (750282057).

The spelling of 240240015 in words is "two hundred forty million, two hundred forty thousand, fifteen".