8040000004 has 6 divisors (see below), whose sum is σ = 14070000014. Its totient is φ = 4020000000.

The previous prime is 8039999993. The next prime is 8040000047. The reversal of 8040000004 is 4000000408.

It can be written as a sum of positive squares in only one way, i.e., 7834020100 + 205979904 = 88510^2 + 14352^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1004999997 + ... + 1005000004.

Almost surely, 2^8040000004 is an apocalyptic number.

It is an amenable number.

8040000004 is a deficient number, since it is larger than the sum of its proper divisors (6030000010).

8040000004 is a wasteful number, since it uses less digits than its factorization.

8040000004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2010000005 (or 2010000003 counting only the distinct ones).

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

The square root of 8040000004 is about 89666.0471081446. The cubic root of 8040000004 is about 2003.3277934909.

The spelling of 8040000004 in words is "eight billion, forty million, four", and thus it is an aban number.