204451422455 has 32 divisors (see below), whose sum is σ = 286583463936. Its totient is φ = 137103525504.

The previous prime is 204451422349. The next prime is 204451422467. The reversal of 204451422455 is 554224154402.

204451422455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 204451422455 - 2¹⁰ = 204451421431 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2052002 + ... + 2149328.

It is an arithmetic number, because the mean of its divisors is an integer number (8955733248).

Almost surely, 2^204451422455 is an apocalyptic number.

204451422455 is a deficient number, since it is larger than the sum of its proper divisors (82132041481).

204451422455 is a wasteful number, since it uses less digits than its factorization.

204451422455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98663.

The product of its (nonzero) digits is 256000, while the sum is 38.

Adding to 204451422455 its reverse (554224154402), we get a palindrome (758675576857).

The spelling of 204451422455 in words is "two hundred four billion, four hundred fifty-one million, four hundred twenty-two thousand, four hundred fifty-five".