42864986136 has 32 divisors (see below), whose sum is σ = 122471389440. Its totient is φ = 12247138848.

The previous prime is 42864986083. The next prime is 42864986191. The reversal of 42864986136 is 63168946824.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127574196 + ... + 127574531.

It is an arithmetic number, because the mean of its divisors is an integer number (3827230920).

Almost surely, 2^42864986136 is an apocalyptic number.

It is an amenable number.

42864986136 is an abundant number, since it is smaller than the sum of its proper divisors (79606403304).

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

42864986136 is a wasteful number, since it uses less digits than its factorization.

42864986136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255148743 (or 255148739 counting only the distinct ones).

The product of its digits is 11943936, while the sum is 57.

The spelling of 42864986136 in words is "forty-two billion, eight hundred sixty-four million, nine hundred eighty-six thousand, one hundred thirty-six".