42933687056 has 80 divisors (see below), whose sum is σ = 90431545344. Its totient is φ = 19628324352.

The previous prime is 42933687023. The next prime is 42933687061. The reversal of 42933687056 is 65078633924.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 42933686989 and 42933687007.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28871945 + ... + 28873431.

Almost surely, 2^42933687056 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 42933687056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45215772672).

42933687056 is an abundant number, since it is smaller than the sum of its proper divisors (47497858288).

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

42933687056 is a wasteful number, since it uses less digits than its factorization.

42933687056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2728 (or 2722 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 53.

The spelling of 42933687056 in words is "forty-two billion, nine hundred thirty-three million, six hundred eighty-seven thousand, fifty-six".