233330540 has 24 divisors (see below), whose sum is σ = 491076432. Its totient is φ = 93126080.

The previous prime is 233330533. The next prime is 233330567. The reversal of 233330540 is 45033332.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3434 + ... + 21873.

It is an arithmetic number, because the mean of its divisors is an integer number (20461518).

Almost surely, 2^233330540 is an apocalyptic number.

233330540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233330540 is an abundant number, since it is smaller than the sum of its proper divisors (257745892).

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

233330540 is a wasteful number, since it uses less digits than its factorization.

233330540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25777 (or 25775 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 23.

The square root of 233330540 is about 15275.1608829498. The cubic root of 233330540 is about 615.6357934497.

Adding to 233330540 its reverse (45033332), we get a palindrome (278363872).

The spelling of 233330540 in words is "two hundred thirty-three million, three hundred thirty thousand, five hundred forty".