42056686238 has 32 divisors (see below), whose sum is σ = 78339901440. Its totient is φ = 16524816480.

The previous prime is 42056686183. The next prime is 42056686261. The reversal of 42056686238 is 83268665024.

42056686238 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2541881 + ... + 2558372.

It is an arithmetic number, because the mean of its divisors is an integer number (2448121920).

Almost surely, 2^42056686238 is an apocalyptic number.

42056686238 is a deficient number, since it is larger than the sum of its proper divisors (36283215202).

42056686238 is a wasteful number, since it uses less digits than its factorization.

42056686238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5100312.

The product of its (nonzero) digits is 3317760, while the sum is 50.

The spelling of 42056686238 in words is "forty-two billion, fifty-six million, six hundred eighty-six thousand, two hundred thirty-eight".