42506210522 has 8 divisors (see below), whose sum is σ = 65314421172. Its totient is φ = 20734736800.

The previous prime is 42506210521. The next prime is 42506210557. The reversal of 42506210522 is 22501260524.

42506210522 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 34499719081 + 8006491441 = 185741^2 + 89479^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (42506210521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259184129 + ... + 259184292.

Almost surely, 2^42506210522 is an apocalyptic number.

42506210522 is a deficient number, since it is larger than the sum of its proper divisors (22808210650).

42506210522 is a wasteful number, since it uses less digits than its factorization.

42506210522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518368464.

The product of its (nonzero) digits is 9600, while the sum is 29.

The spelling of 42506210522 in words is "forty-two billion, five hundred six million, two hundred ten thousand, five hundred twenty-two".