8204247442 has 8 divisors (see below), whose sum is σ = 12309929100. Its totient is φ = 4100937744.

The previous prime is 8204247437. The next prime is 8204247449. The reversal of 8204247442 is 2447424028.

8204247442 is digitally balanced in base 5, 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 7508395801 + 695851641 = 86651^2 + 26379^2 .

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 (8204247449) 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, 584317 + ... + 598192.

Almost surely, 2^8204247442 is an apocalyptic number.

8204247442 is a deficient number, since it is larger than the sum of its proper divisors (4105681658).

8204247442 is a wasteful number, since it uses less digits than its factorization.

8204247442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185980.

The product of its (nonzero) digits is 114688, while the sum is 37.

The square root of 8204247442 is about 90577.3009202637. The cubic root of 8204247442 is about 2016.8777896251.

The spelling of 8204247442 in words is "eight billion, two hundred four million, two hundred forty-seven thousand, four hundred forty-two".