42016542056 has 32 divisors (see below), whose sum is σ = 80540619840. Its totient is φ = 20543622528.

The previous prime is 42016542053. The next prime is 42016542089. The reversal of 42016542056 is 65024561024.

It is not an unprimeable number, because it can be changed into a prime (42016542053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212660 + ... + 359523.

It is an arithmetic number, because the mean of its divisors is an integer number (2516894370).

Almost surely, 2^42016542056 is an apocalyptic number.

It is an amenable number.

42016542056 is a deficient number, since it is larger than the sum of its proper divisors (38524077784).

42016542056 is a wasteful number, since it uses less digits than its factorization.

42016542056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572393 (or 572389 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

The spelling of 42016542056 in words is "forty-two billion, sixteen million, five hundred forty-two thousand, fifty-six".