342042655 has 16 divisors (see below), whose sum is σ = 440212320. Its totient is φ = 254337408.

The previous prime is 342042653. The next prime is 342042667. The reversal of 342042655 is 556240243.

It is a cyclic number.

It is not a de Polignac number, because 342042655 - 2¹ = 342042653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342042653) 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 15 ways as a sum of consecutive naturals, for example, 28932 + ... + 39001.

It is an arithmetic number, because the mean of its divisors is an integer number (27513270).

Almost surely, 2^342042655 is an apocalyptic number.

342042655 is a deficient number, since it is larger than the sum of its proper divisors (98169665).

342042655 is a wasteful number, since it uses less digits than its factorization.

342042655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68010.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 342042655 is about 18494.3952320696. The cubic root of 342042655 is about 699.3481380521.

Adding to 342042655 its reverse (556240243), we get a palindrome (898282898).

The spelling of 342042655 in words is "three hundred forty-two million, forty-two thousand, six hundred fifty-five".