42857559936 has 96 divisors (see below), whose sum is σ = 123390160920. Its totient is φ = 14278548480.

The previous prime is 42857559883. The next prime is 42857559937. The reversal of 42857559936 is 63995575824.

42857559936 is a `hidden beast` number, since 4 + 2 + 8 + 5 + 7 + 5 + 599 + 36 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42857559937) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 2540971 + ... + 2557781.

Almost surely, 2^42857559936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42857559936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61695080460).

42857559936 is an abundant number, since it is smaller than the sum of its proper divisors (80532600984).

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

42857559936 is a wasteful number, since it uses less digits than its factorization.

42857559936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19044 (or 19029 counting only the distinct ones).

The product of its digits is 81648000, while the sum is 63.

The spelling of 42857559936 in words is "forty-two billion, eight hundred fifty-seven million, five hundred fifty-nine thousand, nine hundred thirty-six".