42642085706 has 8 divisors (see below), whose sum is σ = 69777958464. Its totient is φ = 19382766220.

The previous prime is 42642085699. The next prime is 42642085729. The reversal of 42642085706 is 60758024624.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 969138290 + ... + 969138333.

It is an arithmetic number, because the mean of its divisors is an integer number (8722244808).

Almost surely, 2^42642085706 is an apocalyptic number.

42642085706 is a deficient number, since it is larger than the sum of its proper divisors (27135872758).

42642085706 is a wasteful number, since it uses less digits than its factorization.

42642085706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1938276636.

The product of its (nonzero) digits is 645120, while the sum is 44.

The spelling of 42642085706 in words is "forty-two billion, six hundred forty-two million, eighty-five thousand, seven hundred six".