342440542 has 16 divisors (see below), whose sum is σ = 518361120. Its totient is φ = 169658368.

The previous prime is 342440507. The next prime is 342440563. The reversal of 342440542 is 245044243.

It is a self number, because there is not a number n which added to its sum of digits gives 342440542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242334 + ... + 243742.

It is an arithmetic number, because the mean of its divisors is an integer number (32397570).

Almost surely, 2^342440542 is an apocalyptic number.

342440542 is a deficient number, since it is larger than the sum of its proper divisors (175920578).

342440542 is a wasteful number, since it uses less digits than its factorization.

342440542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2435.

The product of its (nonzero) digits is 15360, while the sum is 28.

The square root of 342440542 is about 18505.1490672191. The cubic root of 342440542 is about 699.6192092189.

Adding to 342440542 its reverse (245044243), we get a palindrome (587484785).

The spelling of 342440542 in words is "three hundred forty-two million, four hundred forty thousand, five hundred forty-two".