240855 has 8 divisors (see below), whose sum is σ = 385392. Its totient is φ = 128448.

The previous prime is 240853. The next prime is 240859. The reversal of 240855 is 558042.

240855 is nontrivially palindromic in base 2.

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

It is not a de Polignac number, because 240855 - 2¹ = 240853 is a prime.

It is a super-2 number, since 2×240855² = 116022262050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8014 + ... + 8043.

It is an arithmetic number, because the mean of its divisors is an integer number (48174).

2²⁴⁰⁸⁵⁵ is an apocalyptic number.

240855 is a deficient number, since it is larger than the sum of its proper divisors (144537).

240855 is a wasteful number, since it uses less digits than its factorization.

240855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16065.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 240855 is about 490.7698034721. The cubic root of 240855 is about 62.2183594305.

Adding to 240855 its reverse (558042), we get a palindrome (798897).

It can be divided in two parts, 24085 and 5, that added together give a triangular number (24090 = T₂₁₉).

The spelling of 240855 in words is "two hundred forty thousand, eight hundred fifty-five".