8426434442 has 8 divisors (see below), whose sum is σ = 12755612100. Its totient is φ = 4174563744.

The previous prime is 8426434381. The next prime is 8426434447. The reversal of 8426434442 is 2444346248.

It can be written as a sum of positive squares in 2 ways, for example, as 7930080601 + 496353841 = 89051^2 + 22279^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 8426434442.

It is not an unprimeable number, because it can be changed into a prime (8426434447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19326467 + ... + 19326902.

Almost surely, 2^8426434442 is an apocalyptic number.

8426434442 is a deficient number, since it is larger than the sum of its proper divisors (4329177658).

8426434442 is a wasteful number, since it uses less digits than its factorization.

8426434442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38653480.

The product of its digits is 589824, while the sum is 41.

The square root of 8426434442 is about 91795.6123243372. The cubic root of 8426434442 is about 2034.9228513837.

The spelling of 8426434442 in words is "eight billion, four hundred twenty-six million, four hundred thirty-four thousand, four hundred forty-two".