42444206242 has 4 divisors (see below), whose sum is σ = 63666309366. Its totient is φ = 21222103120.

The previous prime is 42444206239. The next prime is 42444206261. The reversal of 42444206242 is 24260244424.

42444206242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 24313853041 + 18130353201 = 155929^2 + 134649^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42444206198 and 42444206207.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10611051559 + ... + 10611051562.

Almost surely, 2^42444206242 is an apocalyptic number.

42444206242 is a deficient number, since it is larger than the sum of its proper divisors (21222103124).

42444206242 is a wasteful number, since it uses less digits than its factorization.

42444206242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21222103123.

The product of its (nonzero) digits is 98304, while the sum is 34.

The spelling of 42444206242 in words is "forty-two billion, four hundred forty-four million, two hundred six thousand, two hundred forty-two".