240042404 has 24 divisors (see below), whose sum is σ = 481528320. Its totient is φ = 102566016.

The previous prime is 240042403. The next prime is 240042437. The reversal of 240042404 is 404240042.

240042404 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (240042403) 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 7 ways as a sum of consecutive naturals, for example, 3284 + ... + 22155.

It is an arithmetic number, because the mean of its divisors is an integer number (20063680).

Almost surely, 2^240042404 is an apocalyptic number.

It is an amenable number.

240042404 is an abundant number, since it is smaller than the sum of its proper divisors (241485916).

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

240042404 is a wasteful number, since it uses less digits than its factorization.

240042404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25787 (or 25785 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 240042404 is about 15493.3019075987. The cubic root of 240042404 is about 621.4830987819.

Adding to 240042404 its reverse (404240042), we get a palindrome (644282446).

The spelling of 240042404 in words is "two hundred forty million, forty-two thousand, four hundred four".