8043855412 has 24 divisors (see below), whose sum is σ = 14711731776. Its totient is φ = 3841050048.

The previous prime is 8043855403. The next prime is 8043855427. The reversal of 8043855412 is 2145583408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8833 + ... + 127144.

It is an arithmetic number, because the mean of its divisors is an integer number (612988824).

Almost surely, 2^8043855412 is an apocalyptic number.

It is an amenable number.

8043855412 is a deficient number, since it is larger than the sum of its proper divisors (6667876364).

8043855412 is a wasteful number, since it uses less digits than its factorization.

8043855412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136647 (or 136645 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 40.

The square root of 8043855412 is about 89687.5432376202. The cubic root of 8043855412 is about 2003.6479598158.

The spelling of 8043855412 in words is "eight billion, forty-three million, eight hundred fifty-five thousand, four hundred twelve".