8081400004 has 12 divisors (see below), whose sum is σ = 14145611200. Its totient is φ = 4039796808.

The previous prime is 8081399959. The next prime is 8081400011. The reversal of 8081400004 is 4000041808.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205464 + ... + 241615.

Almost surely, 2^8081400004 is an apocalyptic number.

It is an amenable number.

8081400004 is a deficient number, since it is larger than the sum of its proper divisors (6064211196).

8081400004 is a wasteful number, since it uses less digits than its factorization.

8081400004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451602 (or 451600 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 8081400004 is about 89896.6072997196. The cubic root of 8081400004 is about 2006.7604560356.

The spelling of 8081400004 in words is "eight billion, eighty-one million, four hundred thousand, four".