42142423334 has 32 divisors (see below), whose sum is σ = 69314918400. Its totient is φ = 19057278240.

The previous prime is 42142423327. The next prime is 42142423361. The reversal of 42142423334 is 43332424124.

It is a self number, because there is not a number n which added to its sum of digits gives 42142423334.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10130747 + ... + 10134905.

It is an arithmetic number, because the mean of its divisors is an integer number (2166091200).

Almost surely, 2^42142423334 is an apocalyptic number.

42142423334 is a deficient number, since it is larger than the sum of its proper divisors (27172495066).

42142423334 is a wasteful number, since it uses less digits than its factorization.

42142423334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6428.

The product of its digits is 55296, while the sum is 32.

Adding to 42142423334 its reverse (43332424124), we get a palindrome (85474847458).

The spelling of 42142423334 in words is "forty-two billion, one hundred forty-two million, four hundred twenty-three thousand, three hundred thirty-four".