8000040004000 has 96 divisors (see below), whose sum is σ = 21443016434112. Its totient is φ = 2909105440000.

The previous prime is 8000040003953. The next prime is 8000040004031. The reversal of 8000040004000 is 4000400008.

It is a Harshad number since it is a multiple of its sum of digits (16).

8000040004000 is a modest number, since divided by 40004000 gives 80000 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90865546 + ... + 90953545.

It is an arithmetic number, because the mean of its divisors is an integer number (223364754522).

Almost surely, 2^{8000040004000} is an apocalyptic number.

8000040004000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8000040004000 is an abundant number, since it is smaller than the sum of its proper divisors (13442976430112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8000040004000 is a wasteful number, since it uses less digits than its factorization.

8000040004000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181819127 (or 181819109 counting only the distinct ones).

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

Adding to 8000040004000 its reverse (4000400008), we get a palindrome (8004040404008).

The spelling of 8000040004000 in words is "eight trillion, forty million, four thousand".