404243040234204 has 18 divisors (see below), whose sum is σ = 1021836573925440. Its totient is φ = 134747680078056.

The previous prime is 404243040234203. The next prime is 404243040234211. The reversal of 404243040234204 is 402432040342404.

404243040234204 is a `hidden beast` number, since 4 + 0 + 4 + 2 + 4 + 304 + 0 + 2 + 342 + 0 + 4 = 666.

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: 11228973339839 = 404243040234204 / (4 + 0 + 4 + 2 + 4 + 3 + 0 + 4 + 0 + 2 + 3 + 4 + 2 + 0 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404243040234203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5614486669884 + ... + 5614486669955.

Almost surely, 2^{404243040234204} is an apocalyptic number.

It is an amenable number.

404243040234204 is an abundant number, since it is smaller than the sum of its proper divisors (617593533691236).

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

404243040234204 is a wasteful number, since it uses less digits than its factorization.

404243040234204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11228973339849 (or 11228973339844 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 36.

Adding to 404243040234204 its reverse (402432040342404), we get a palindrome (806675080576608).

The spelling of 404243040234204 in words is "four hundred four trillion, two hundred forty-three billion, forty million, two hundred thirty-four thousand, two hundred four".