204422440132404 has 36 divisors (see below), whose sum is σ = 556483309250596. Its totient is φ = 62899212348288.

The previous prime is 204422440132381. The next prime is 204422440132423. The reversal of 204422440132404 is 404231044224402.

204422440132404 is a `hidden beast` number, since 2 + 0 + 4 + 4 + 2 + 2 + 4 + 401 + 3 + 240 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 115191707907600 + 89230732224804 = 10732740^2 + 9446202^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 218400042409 + ... + 218400043344.

Almost surely, 2^{204422440132404} is an apocalyptic number.

It is an amenable number.

204422440132404 is an abundant number, since it is smaller than the sum of its proper divisors (352060869118192).

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

204422440132404 is a wasteful number, since it uses less digits than its factorization.

204422440132404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436800085776 (or 436800085771 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 36.

Adding to 204422440132404 its reverse (404231044224402), we get a palindrome (608653484356806).

The spelling of 204422440132404 in words is "two hundred four trillion, four hundred twenty-two billion, four hundred forty million, one hundred thirty-two thousand, four hundred four".