804400000026 has 32 divisors (see below), whose sum is σ = 1855496734080. Its totient is φ = 227720051136.

The previous prime is 804399999937. The next prime is 804400000031. The reversal of 804400000026 is 620000004408.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 804399999951 and 804400000005.

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, 87850381 + ... + 87859536.

It is an arithmetic number, because the mean of its divisors is an integer number (57984272940).

Almost surely, 2^804400000026 is an apocalyptic number.

804400000026 is an abundant number, since it is smaller than the sum of its proper divisors (1051096734054).

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

804400000026 is a wasteful number, since it uses less digits than its factorization.

804400000026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175710038.

The product of its (nonzero) digits is 1536, while the sum is 24.

The spelling of 804400000026 in words is "eight hundred four billion, four hundred million, twenty-six", and thus it is an aban number.