42355232433 has 12 divisors (see below), whose sum is σ = 61182181060. Its totient is φ = 28235713536.

The previous prime is 42355232419. The next prime is 42355232441. The reversal of 42355232433 is 33423255324.

It is a happy number.

42355232433 is a `hidden beast` number, since 42 + 3 + 552 + 32 + 4 + 33 = 666.

42355232433 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 2 ways, for example, as 2703272049 + 39651960384 = 51993^2 + 199128^2 .

It is not a de Polignac number, because 42355232433 - 2⁸ = 42355232177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42355232443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 197685 + ... + 351837.

Almost surely, 2^42355232433 is an apocalyptic number.

It is an amenable number.

42355232433 is a deficient number, since it is larger than the sum of its proper divisors (18826948627).

42355232433 is a wasteful number, since it uses less digits than its factorization.

42355232433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184688 (or 184685 counting only the distinct ones).

The product of its digits is 259200, while the sum is 36.

Adding to 42355232433 its reverse (33423255324), we get a palindrome (75778487757).

The spelling of 42355232433 in words is "forty-two billion, three hundred fifty-five million, two hundred thirty-two thousand, four hundred thirty-three".