233440004 has 48 divisors (see below), whose sum is σ = 492979200. Its totient is φ = 94486176.

The previous prime is 233439979. The next prime is 233440007. The reversal of 233440004 is 400044332.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (233440007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 277817 + ... + 278655.

It is an arithmetic number, because the mean of its divisors is an integer number (10270400).

Almost surely, 2^233440004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 233440004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246489600).

233440004 is an abundant number, since it is smaller than the sum of its proper divisors (259539196).

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

233440004 is a wasteful number, since it uses less digits than its factorization.

233440004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1392 (or 1390 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 233440004 is about 15278.7435347282. The cubic root of 233440004 is about 615.7320509176.

Adding to 233440004 its reverse (400044332), we get a palindrome (633484336).

The spelling of 233440004 in words is "two hundred thirty-three million, four hundred forty thousand, four".