236040 has 64 divisors (see below), whose sum is σ = 812160. Its totient is φ = 53760.

The previous prime is 236021. The next prime is 236053. The reversal of 236040 is 40632.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

236040 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 15 ways as a sum of consecutive naturals, for example, 700 + ... + 980.

It is an arithmetic number, because the mean of its divisors is an integer number (12690).

2²³⁶⁰⁴⁰ is an apocalyptic number.

236040 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 236040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (406080).

236040 is an abundant number, since it is smaller than the sum of its proper divisors (576120).

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

236040 is a wasteful number, since it uses less digits than its factorization.

236040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302 (or 298 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 236040 is about 485.8394796638. The cubic root of 236040 is about 61.8009572437.

Adding to 236040 its reverse (40632), we get a palindrome (276672).

The spelling of 236040 in words is "two hundred thirty-six thousand, forty".