233204040 has 48 divisors (see below), whose sum is σ = 757914300. Its totient is φ = 62187648.

The previous prime is 233204009. The next prime is 233204047. The reversal of 233204040 is 40402332.

233204040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 194937444 + 38266596 = 13962^2 + 6186^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (233204047) 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, 323535 + ... + 324254.

Almost surely, 2^233204040 is an apocalyptic number.

233204040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233204040 is an abundant number, since it is smaller than the sum of its proper divisors (524710260).

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

233204040 is a wasteful number, since it uses less digits than its factorization.

233204040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647806 (or 647799 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 233204040 is about 15271.0196123245. The cubic root of 233204040 is about 615.5245178234.

Adding to 233204040 its reverse (40402332), we get a palindrome (273606372).

The spelling of 233204040 in words is "two hundred thirty-three million, two hundred four thousand, forty".