42235302042 has 20 divisors (see below), whose sum is σ = 94638362346. Its totient is φ = 14078433960.

The previous prime is 42235302019. The next prime is 42235302071. The reversal of 42235302042 is 24020353224.

It is a happy number.

42235302042 is a `hidden beast` number, since 422 + 3 + 5 + 30 + 204 + 2 = 666.

42235302042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 42221619441 + 13682601 = 205479^2 + 3699^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 42235301997 and 42235302015.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 130355709 + ... + 130356032.

Almost surely, 2^42235302042 is an apocalyptic number.

42235302042 is an abundant number, since it is smaller than the sum of its proper divisors (52403060304).

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

42235302042 is a wasteful number, since it uses less digits than its factorization.

42235302042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260711755 (or 260711746 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

Adding to 42235302042 its reverse (24020353224), we get a palindrome (66255655266).

The spelling of 42235302042 in words is "forty-two billion, two hundred thirty-five million, three hundred two thousand, forty-two".