233040040 has 16 divisors (see below), whose sum is σ = 524340180. Its totient is φ = 93216000.

The previous prime is 233040007. The next prime is 233040043. The reversal of 233040040 is 40040332.

It can be written as a sum of positive squares in 2 ways, for example, as 228191236 + 4848804 = 15106^2 + 2202^2 .

It is a junction number, because it is equal to n+sod(n) for n = 233039996 and 233040023.

It is not an unprimeable number, because it can be changed into a prime (233040043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2912961 + ... + 2913040.

Almost surely, 2^233040040 is an apocalyptic number.

233040040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233040040 is an abundant number, since it is smaller than the sum of its proper divisors (291300140).

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

233040040 is a wasteful number, since it uses less digits than its factorization.

233040040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5826012 (or 5826008 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 233040040 is about 15265.6490199402. The cubic root of 233040040 is about 615.3801954330.

Adding to 233040040 its reverse (40040332), we get a palindrome (273080372).

The spelling of 233040040 in words is "two hundred thirty-three million, forty thousand, forty".