240040434 has 8 divisors (see below), whose sum is σ = 480080880. Its totient is φ = 80013476.

The previous prime is 240040403. The next prime is 240040439. The reversal of 240040434 is 434040042.

240040434 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

240040434 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 240040434.

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, 20003364 + ... + 20003375.

It is an arithmetic number, because the mean of its divisors is an integer number (60010110).

Almost surely, 2^240040434 is an apocalyptic number.

240040434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

240040434 is a wasteful number, since it uses less digits than its factorization.

240040434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40006744.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 240040434 is about 15493.2383316078. The cubic root of 240040434 is about 621.4813986308.

Adding to 240040434 its reverse (434040042), we get a palindrome (674080476).

The spelling of 240040434 in words is "two hundred forty million, forty thousand, four hundred thirty-four".