42566898816 has 512 divisors, whose sum is σ = 139829760000. Its totient is φ = 12667539456.

The previous prime is 42566898811. The next prime is 42566898823. The reversal of 42566898816 is 61889866524.

It is not an unprimeable number, because it can be changed into a prime (42566898811) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 237803815 + ... + 237803993.

It is an arithmetic number, because the mean of its divisors is an integer number (273105000).

Almost surely, 2^42566898816 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 42566898816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69914880000).

42566898816 is an abundant number, since it is smaller than the sum of its proper divisors (97262861184).

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

42566898816 is a wasteful number, since it uses less digits than its factorization.

42566898816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361 (or 343 counting only the distinct ones).

The product of its digits is 39813120, while the sum is 63.

The spelling of 42566898816 in words is "forty-two billion, five hundred sixty-six million, eight hundred ninety-eight thousand, eight hundred sixteen".