400368000804 has 12 divisors (see below), whose sum is σ = 934192001904. Its totient is φ = 133456000264.

The previous prime is 400368000803. The next prime is 400368000833. The reversal of 400368000804 is 408000863004.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (400368000803) 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 3 ways as a sum of consecutive naturals, for example, 16682000022 + ... + 16682000045.

It is an arithmetic number, because the mean of its divisors is an integer number (77849333492).

Almost surely, 2^400368000804 is an apocalyptic number.

It is an amenable number.

400368000804 is an abundant number, since it is smaller than the sum of its proper divisors (533824001100).

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

400368000804 is a wasteful number, since it uses less digits than its factorization.

400368000804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33364000074 (or 33364000072 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

Adding to 400368000804 its reverse (408000863004), we get a palindrome (808368863808).

The spelling of 400368000804 in words is "four hundred billion, three hundred sixty-eight million, eight hundred four", and thus it is an aban number.