235040 has 48 divisors (see below), whose sum is σ = 603288. Its totient is φ = 86016.

The previous prime is 235013. The next prime is 235043. The reversal of 235040 is 40532.

It can be written as a sum of positive squares in 4 ways, for example, as 71824 + 163216 = 268^2 + 404^2 .

It is not an unprimeable number, because it can be changed into a prime (235043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2024 + ... + 2136.

2²³⁵⁰⁴⁰ is an apocalyptic number.

235040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 235040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (301644).

235040 is an abundant number, since it is smaller than the sum of its proper divisors (368248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

235040 is a wasteful number, since it uses less digits than its factorization.

235040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 235040 is about 484.8092408360. The cubic root of 235040 is about 61.7135590090.

Adding to 235040 its reverse (40532), we get a palindrome (275572).

The spelling of 235040 in words is "two hundred thirty-five thousand, forty".