80804000404000 has 96 divisors (see below), whose sum is σ = 200582186955696. Its totient is φ = 31988387635200.

The previous prime is 80804000403961. The next prime is 80804000404031. The reversal of 80804000404000 is 40400040808.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 30138348816 + 80773862055184 = 173604^2 + 8987428^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 80804000404000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103740867 + ... + 104516866.

Almost surely, 2^{80804000404000} is an apocalyptic number.

80804000404000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

80804000404000 is an abundant number, since it is smaller than the sum of its proper divisors (119778186551696).

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

80804000404000 is a wasteful number, since it uses less digits than its factorization.

80804000404000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208257855 (or 208257837 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

Adding to 80804000404000 its reverse (40400040808), we get a palindrome (80844400444808).

The spelling of 80804000404000 in words is "eighty trillion, eight hundred four billion, four hundred four thousand".