800789543044 has 12 divisors (see below), whose sum is σ = 1422297845584. Its totient is φ = 394418730024.

The previous prime is 800789542999. The next prime is 800789543093. The reversal of 800789543044 is 440345987008.

It is a junction number, because it is equal to n+sod(n) for n = 800789542982 and 800789543000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1494010074 + ... + 1494010609.

Almost surely, 2^800789543044 is an apocalyptic number.

It is an amenable number.

800789543044 is a deficient number, since it is larger than the sum of its proper divisors (621508302540).

800789543044 is a wasteful number, since it uses less digits than its factorization.

800789543044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2988020754 (or 2988020752 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 52.

The spelling of 800789543044 in words is "eight hundred billion, seven hundred eighty-nine million, five hundred forty-three thousand, forty-four".