240342542 has 24 divisors (see below), whose sum is σ = 400755600. Its totient is φ = 108009440.

The previous prime is 240342539. The next prime is 240342551. The reversal of 240342542 is 245243042.

It is a happy number.

240342542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15959 + ... + 27117.

It is an arithmetic number, because the mean of its divisors is an integer number (16698150).

Almost surely, 2^240342542 is an apocalyptic number.

240342542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

240342542 is a deficient number, since it is larger than the sum of its proper divisors (160413058).

240342542 is a wasteful number, since it uses less digits than its factorization.

240342542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11272 (or 11261 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 240342542 is about 15502.9849383917. The cubic root of 240342542 is about 621.7420155427.

Adding to 240342542 its reverse (245243042), we get a palindrome (485585584).

The spelling of 240342542 in words is "two hundred forty million, three hundred forty-two thousand, five hundred forty-two".