240040433 has 4 divisors (see below), whose sum is σ = 252674160. Its totient is φ = 227406708.

The previous prime is 240040403. The next prime is 240040439. The reversal of 240040433 is 334040042.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 240040433 - 2⁶ = 240040369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (240040439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6316835 + ... + 6316872.

It is an arithmetic number, because the mean of its divisors is an integer number (63168540).

Almost surely, 2^240040433 is an apocalyptic number.

It is an amenable number.

240040433 is a deficient number, since it is larger than the sum of its proper divisors (12633727).

240040433 is a wasteful number, since it uses less digits than its factorization.

240040433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12633726.

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

The square root of 240040433 is about 15493.2382993356. The cubic root of 240040433 is about 621.4813977678.

Adding to 240040433 its reverse (334040042), we get a palindrome (574080475).

The spelling of 240040433 in words is "two hundred forty million, forty thousand, four hundred thirty-three".