804400064604 has 18 divisors (see below), whose sum is σ = 2033344607840. Its totient is φ = 268133354856.

The previous prime is 804400064599. The next prime is 804400064609. The reversal of 804400064604 is 406460004408.

804400064604 is a `hidden beast` number, since 8 + 0 + 4 + 4 + 0 + 0 + 0 + 646 + 0 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (804400064599) and next prime (804400064609).

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 22344446239 = 804400064604 / (8 + 0 + 4 + 4 + 0 + 0 + 0 + 6 + 4 + 6 + 0 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (804400064609) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 11172223084 + ... + 11172223155.

Almost surely, 2^804400064604 is an apocalyptic number.

It is an amenable number.

804400064604 is an abundant number, since it is smaller than the sum of its proper divisors (1228944543236).

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

804400064604 is a wasteful number, since it uses less digits than its factorization.

804400064604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22344446249 (or 22344446244 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 36.

The spelling of 804400064604 in words is "eight hundred four billion, four hundred million, sixty-four thousand, six hundred four".