42104342 has 32 divisors (see below), whose sum is σ = 80455680. Its totient is φ = 16087680.

The previous prime is 42104333. The next prime is 42104357. The reversal of 42104342 is 24340124.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134 + ... + 9177.

It is an arithmetic number, because the mean of its divisors is an integer number (2514240).

Almost surely, 2^42104342 is an apocalyptic number.

42104342 is a deficient number, since it is larger than the sum of its proper divisors (38351338).

42104342 is a wasteful number, since it uses less digits than its factorization.

42104342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9356.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 42104342 is about 6488.7858648595. The cubic root of 42104342 is about 347.8902800710.

Adding to 42104342 its reverse (24340124), we get a palindrome (66444466).

The spelling of 42104342 in words is "forty-two million, one hundred four thousand, three hundred forty-two".