204455005504 has 14 divisors (see below), whose sum is σ = 405715401674. Its totient is φ = 102227502720.

The previous prime is 204455005463. The next prime is 204455005519. The reversal of 204455005504 is 405500554402.

It can be written as a sum of positive squares in only one way, i.e., 203538127104 + 916878400 = 451152^2 + 30280^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 204455005504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1597304667 + ... + 1597304794.

Almost surely, 2^204455005504 is an apocalyptic number.

It is an amenable number.

204455005504 is a deficient number, since it is larger than the sum of its proper divisors (201260396170).

204455005504 is an equidigital number, since it uses as much as digits as its factorization.

204455005504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3194609473 (or 3194609463 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 34.

Adding to 204455005504 its reverse (405500554402), we get a palindrome (609955559906).

The spelling of 204455005504 in words is "two hundred four billion, four hundred fifty-five million, five thousand, five hundred four".