240304255 has 8 divisors (see below), whose sum is σ = 288484992. Its totient is φ = 192163488.

The previous prime is 240304213. The next prime is 240304261. The reversal of 240304255 is 552403042.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 240304255 - 2⁹ = 240303743 is a prime.

It is a super-2 number, since 2×240304255² = 115492269942210050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5394 + ... + 22576.

It is an arithmetic number, because the mean of its divisors is an integer number (36060624).

Almost surely, 2^240304255 is an apocalyptic number.

240304255 is a deficient number, since it is larger than the sum of its proper divisors (48180737).

240304255 is a wasteful number, since it uses less digits than its factorization.

240304255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19985.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 240304255 is about 15501.7500624929. The cubic root of 240304255 is about 621.7089989150.

Adding to 240304255 its reverse (552403042), we get a palindrome (792707297).

The spelling of 240304255 in words is "two hundred forty million, three hundred four thousand, two hundred fifty-five".