42189686100 has 108 divisors (see below), whose sum is σ = 132282783360. Its totient is φ = 11247048000.

The previous prime is 42189686083. The next prime is 42189686141. The reversal of 42189686100 is 168698124.

42189686100 is a `hidden beast` number, since 4 + 21 + 8 + 9 + 6 + 8 + 610 + 0 = 666.

It is a super-2 number, since 2×42189686100² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4180861 + ... + 4190939.

Almost surely, 2^42189686100 is an apocalyptic number.

It is an amenable number.

42189686100 is an abundant number, since it is smaller than the sum of its proper divisors (90093097260).

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

42189686100 is a wasteful number, since it uses less digits than its factorization.

42189686100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14750 (or 14740 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The spelling of 42189686100 in words is "forty-two billion, one hundred eighty-nine million, six hundred eighty-six thousand, one hundred".