42826636188 has 36 divisors (see below), whose sum is σ = 123721394160. Its totient is φ = 12236181696.

The previous prime is 42826636163. The next prime is 42826636199. The reversal of 42826636188 is 88163662824.

42826636188 is a `hidden beast` number, since 428 + 2 + 6 + 6 + 36 + 188 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×42826636188² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 84973233 + ... + 84973736.

Almost surely, 2^42826636188 is an apocalyptic number.

It is an amenable number.

42826636188 is an abundant number, since it is smaller than the sum of its proper divisors (80894757972).

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

42826636188 is a wasteful number, since it uses less digits than its factorization.

42826636188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169946986 (or 169946981 counting only the distinct ones).

The product of its digits is 5308416, while the sum is 54.

The spelling of 42826636188 in words is "forty-two billion, eight hundred twenty-six million, six hundred thirty-six thousand, one hundred eighty-eight".