42055716186 has 256 divisors, whose sum is σ = 114475991040. Its totient is φ = 11290752000.

The previous prime is 42055716133. The next prime is 42055716233. The reversal of 42055716186 is 68161755024.

42055716186 is a `hidden beast` number, since 4 + 2 + 0 + 557 + 16 + 1 + 86 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 11580591 + ... + 11584221.

It is an arithmetic number, because the mean of its divisors is an integer number (447171840).

Almost surely, 2^42055716186 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42055716186, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57237995520).

42055716186 is an abundant number, since it is smaller than the sum of its proper divisors (72420274854).

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

42055716186 is a wasteful number, since it uses less digits than its factorization.

42055716186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3738 (or 3732 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The spelling of 42055716186 in words is "forty-two billion, fifty-five million, seven hundred sixteen thousand, one hundred eighty-six".