204484454 has 4 divisors (see below), whose sum is σ = 306726684. Its totient is φ = 102242226.

The previous prime is 204484453. The next prime is 204484457. The reversal of 204484454 is 454484402.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204484453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51121112 + ... + 51121115.

It is an arithmetic number, because the mean of its divisors is an integer number (76681671).

Almost surely, 2^204484454 is an apocalyptic number.

204484454 is a deficient number, since it is larger than the sum of its proper divisors (102242230).

204484454 is a wasteful number, since it uses less digits than its factorization.

204484454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102242229.

The product of its (nonzero) digits is 81920, while the sum is 35.

The square root of 204484454 is about 14299.8060826013. The cubic root of 204484454 is about 589.1421546401.

The spelling of 204484454 in words is "two hundred four million, four hundred eighty-four thousand, four hundred fifty-four".