42016137842 has 16 divisors (see below), whose sum is σ = 72042996672. Its totient is φ = 18003083280.

The previous prime is 42016137827. The next prime is 42016137851. The reversal of 42016137842 is 24873161024.

It is a junction number, because it is equal to n+sod(n) for n = 42016137796 and 42016137805.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250784 + ... + 383307.

It is an arithmetic number, because the mean of its divisors is an integer number (4502687292).

Almost surely, 2^42016137842 is an apocalyptic number.

42016137842 is a deficient number, since it is larger than the sum of its proper divisors (30026858830).

42016137842 is a wasteful number, since it uses less digits than its factorization.

42016137842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638833.

The product of its (nonzero) digits is 64512, while the sum is 38.

Adding to 42016137842 its reverse (24873161024), we get a palindrome (66889298866).

The spelling of 42016137842 in words is "forty-two billion, sixteen million, one hundred thirty-seven thousand, eight hundred forty-two".