240404133 has 16 divisors (see below), whose sum is σ = 329865536. Its totient is φ = 155623680.

The previous prime is 240404077. The next prime is 240404149. The reversal of 240404133 is 331404042.

It is not a de Polignac number, because 240404133 - 2⁹ = 240403621 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240404833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61485 + ... + 65277.

It is an arithmetic number, because the mean of its divisors is an integer number (20616596).

Almost surely, 2^240404133 is an apocalyptic number.

It is an amenable number.

240404133 is a deficient number, since it is larger than the sum of its proper divisors (89461403).

240404133 is a wasteful number, since it uses less digits than its factorization.

240404133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4404.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 240404133 is about 15504.9712350588. The cubic root of 240404133 is about 621.7951209169.

Adding to 240404133 its reverse (331404042), we get a palindrome (571808175).

Subtracting 240404133 from its reverse (331404042), we obtain a palindrome (90999909).

The spelling of 240404133 in words is "two hundred forty million, four hundred four thousand, one hundred thirty-three".