8309442204 has 72 divisors (see below), whose sum is σ = 24398625888. Its totient is φ = 2335201920.

The previous prime is 8309442173. The next prime is 8309442247. The reversal of 8309442204 is 4022449038.

8309442204 is a `hidden beast` number, since 8 + 3 + 0 + 9 + 442 + 204 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 254907 + ... + 285650.

It is an arithmetic number, because the mean of its divisors is an integer number (338869804).

Almost surely, 2^8309442204 is an apocalyptic number.

8309442204 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

8309442204 is an abundant number, since it is smaller than the sum of its proper divisors (16089183684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8309442204 is a wasteful number, since it uses less digits than its factorization.

8309442204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540635 (or 540630 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 8309442204 is about 91156.1418885201. The cubic root of 8309442204 is about 2025.4613350371.

The spelling of 8309442204 in words is "eight billion, three hundred nine million, four hundred forty-two thousand, two hundred four".