240342042 has 16 divisors (see below), whose sum is σ = 501583680. Its totient is φ = 76630752.

The previous prime is 240342023. The next prime is 240342043. The reversal of 240342042 is 240243042.

It is not an unprimeable number, because it can be changed into a prime (240342043) 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, 870667 + ... + 870942.

It is an arithmetic number, because the mean of its divisors is an integer number (31348980).

Almost surely, 2^240342042 is an apocalyptic number.

240342042 is an abundant number, since it is smaller than the sum of its proper divisors (261241638).

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

240342042 is a wasteful number, since it uses less digits than its factorization.

240342042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1741637.

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

The square root of 240342042 is about 15502.9688124565. The cubic root of 240342042 is about 621.7415843925.

Adding to 240342042 its reverse (240243042), we get a palindrome (480585084).

The spelling of 240342042 in words is "two hundred forty million, three hundred forty-two thousand, forty-two".