8081395800242 has 16 divisors (see below), whose sum is σ = 12548192679000. Its totient is φ = 3898844812800.

The previous prime is 8081395800241. The next prime is 8081395800259. The reversal of 8081395800242 is 2420085931808.

It can be written as a sum of positive squares in 4 ways, for example, as 7595365128961 + 486030671281 = 2755969^2 + 697159^2 .

It is not an unprimeable number, because it can be changed into a prime (8081395800241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44885759 + ... + 45065442.

Almost surely, 2^{8081395800242} is an apocalyptic number.

8081395800242 is a deficient number, since it is larger than the sum of its proper divisors (4466796878758).

8081395800242 is a wasteful number, since it uses less digits than its factorization.

8081395800242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89952781.

The product of its (nonzero) digits is 1105920, while the sum is 50.

The spelling of 8081395800242 in words is "eight trillion, eighty-one billion, three hundred ninety-five million, eight hundred thousand, two hundred forty-two".