42705702108 has 72 divisors (see below), whose sum is σ = 120316407120. Its totient is φ = 12692712960.

The previous prime is 42705702107. The next prime is 42705702139. The reversal of 42705702108 is 80120750724.

42705702108 is a `hidden beast` number, since 4 + 2 + 70 + 570 + 2 + 10 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42705702107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1824703 + ... + 1847958.

It is an arithmetic number, because the mean of its divisors is an integer number (1671061210).

Almost surely, 2^42705702108 is an apocalyptic number.

It is an amenable number.

42705702108 is an abundant number, since it is smaller than the sum of its proper divisors (77610705012).

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

42705702108 is a wasteful number, since it uses less digits than its factorization.

42705702108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3672707 (or 3672702 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The spelling of 42705702108 in words is "forty-two billion, seven hundred five million, seven hundred two thousand, one hundred eight".