42885838386 has 24 divisors (see below), whose sum is σ = 94672513260. Its totient is φ = 14025556896.

The previous prime is 42885838379. The next prime is 42885838399. The reversal of 42885838386 is 68383858824.

42885838386 is a `hidden beast` number, since 42 + 8 + 8 + 583 + 8 + 3 + 8 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 42386986161 + 498852225 = 205881^2 + 22335^2 .

It is a super-2 number, since 2×42885838386² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22475901 + ... + 22477808.

Almost surely, 2^42885838386 is an apocalyptic number.

42885838386 is an abundant number, since it is smaller than the sum of its proper divisors (51786674874).

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

42885838386 is a wasteful number, since it uses less digits than its factorization.

42885838386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44953770 (or 44953767 counting only the distinct ones).

The product of its digits is 70778880, while the sum is 63.

The spelling of 42885838386 in words is "forty-two billion, eight hundred eighty-five million, eight hundred thirty-eight thousand, three hundred eighty-six".