42842686056 has 32 divisors (see below), whose sum is σ = 107124128640. Its totient is φ = 14278573568.

The previous prime is 42842686049. The next prime is 42842686067. The reversal of 42842686056 is 65068624824.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 8920 + ... + 292856.

It is an arithmetic number, because the mean of its divisors is an integer number (3347629020).

Almost surely, 2^42842686056 is an apocalyptic number.

It is an amenable number.

42842686056 is an abundant number, since it is smaller than the sum of its proper divisors (64281442584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42842686056 is a wasteful number, since it uses less digits than its factorization.

42842686056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290233 (or 290229 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 51.

The spelling of 42842686056 in words is "forty-two billion, eight hundred forty-two million, six hundred eighty-six thousand, fifty-six".