42867818532 has 216 divisors, whose sum is σ = 138046237056. Its totient is φ = 10977120000.

The previous prime is 42867818519. The next prime is 42867818533. The reversal of 42867818532 is 23581876824.

42867818532 is a `hidden beast` number, since 4 + 28 + 6 + 7 + 81 + 8 + 532 = 666.

It is not an unprimeable number, because it can be changed into a prime (42867818533) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2155032 + ... + 2174832.

Almost surely, 2^42867818532 is an apocalyptic number.

42867818532 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42867818532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69023118528).

42867818532 is an abundant number, since it is smaller than the sum of its proper divisors (95178418524).

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

42867818532 is a wasteful number, since it uses less digits than its factorization.

42867818532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19911 (or 19895 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 54.

The spelling of 42867818532 in words is "forty-two billion, eight hundred sixty-seven million, eight hundred eighteen thousand, five hundred thirty-two".