80040004 has 24 divisors (see below), whose sum is σ = 154961856. Its totient is φ = 35868000.

The previous prime is 80039987. The next prime is 80040011. The reversal of 80040004 is 40004008.

It is a self number, because there is not a number n which added to its sum of digits gives 80040004.

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, 9687 + ... + 15934.

It is an arithmetic number, because the mean of its divisors is an integer number (6456744).

Almost surely, 2^80040004 is an apocalyptic number.

It is an amenable number.

80040004 is a deficient number, since it is larger than the sum of its proper divisors (74921852).

80040004 is a wasteful number, since it uses less digits than its factorization.

80040004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25707 (or 25705 counting only the distinct ones).

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

The square root of 80040004 is about 8946.5079220889. The cubic root of 80040004 is about 430.9587477093.

It can be divided in two parts, 800 and 40004, that added together give a palindrome (40804).

The spelling of 80040004 in words is "eighty million, forty thousand, four".