8045008443081 has 24 divisors (see below), whose sum is σ = 11741675517000. Its totient is φ = 5307564724992.

The previous prime is 8045008443067. The next prime is 8045008443089. The reversal of 8045008443081 is 1803448005408.

8045008443081 is a `hidden beast` number, since 8 + 0 + 450 + 0 + 84 + 43 + 0 + 81 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 5512164840000 + 2532843603081 = 2347800^2 + 1591491^2 .

It is not a de Polignac number, because 8045008443081 - 2¹⁰ = 8045008442057 is a prime.

It is a super-2 number, since 2×8045008443081² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8045008443089) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4274866 + ... + 5862123.

It is an arithmetic number, because the mean of its divisors is an integer number (489236479875).

Almost surely, 2^{8045008443081} is an apocalyptic number.

It is an amenable number.

8045008443081 is a deficient number, since it is larger than the sum of its proper divisors (3696667073919).

8045008443081 is a wasteful number, since it uses less digits than its factorization.

8045008443081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10137913 (or 10137910 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 45.

The spelling of 8045008443081 in words is "eight trillion, forty-five billion, eight million, four hundred forty-three thousand, eighty-one".