42235665056 has 24 divisors (see below), whose sum is σ = 89547733044. Its totient is φ = 19493383680.

The previous prime is 42235665007. The next prime is 42235665061. The reversal of 42235665056 is 65056653224.

It can be written as a sum of positive squares in 2 ways, for example, as 38070253456 + 4165411600 = 195116^2 + 64540^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42235664998 and 42235665016.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50763605 + ... + 50764436.

Almost surely, 2^42235665056 is an apocalyptic number.

It is an amenable number.

42235665056 is an abundant number, since it is smaller than the sum of its proper divisors (47312067988).

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

42235665056 is a wasteful number, since it uses less digits than its factorization.

42235665056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101528064 (or 101528056 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 44.

The spelling of 42235665056 in words is "forty-two billion, two hundred thirty-five million, six hundred sixty-five thousand, fifty-six".