8000040004 has 12 divisors (see below), whose sum is σ = 15272803728. Its totient is φ = 3636381800.

The previous prime is 8000039987. The next prime is 8000040029. The reversal of 8000040004 is 4000400008.

8000040004 is a modest number, since divided by 40004 gives 80 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 8000040004.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90909502 + ... + 90909589.

It is an arithmetic number, because the mean of its divisors is an integer number (1272733644).

Almost surely, 2^8000040004 is an apocalyptic number.

It is an amenable number.

8000040004 is a deficient number, since it is larger than the sum of its proper divisors (7272763724).

8000040004 is a wasteful number, since it uses less digits than its factorization.

8000040004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181819106 (or 181819104 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 8000040004 is about 89442.9427288705. The cubic root of 8000040004 is about 2000.0033336611.

The spelling of 8000040004 in words is "eight billion, forty thousand, four".