204402250555 has 8 divisors (see below), whose sum is σ = 245289434544. Its totient is φ = 163517311200.

The previous prime is 204402250501. The next prime is 204402250571. The reversal of 204402250555 is 555052204402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 204402250555 - 2¹⁷ = 204402119483 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 204402250555.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 353856 + ... + 730765.

It is an arithmetic number, because the mean of its divisors is an integer number (30661179318).

Almost surely, 2^204402250555 is an apocalyptic number.

204402250555 is a deficient number, since it is larger than the sum of its proper divisors (40887183989).

204402250555 is a wasteful number, since it uses less digits than its factorization.

204402250555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122317.

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

Adding to 204402250555 its reverse (555052204402), we get a palindrome (759454454957).

The spelling of 204402250555 in words is "two hundred four billion, four hundred two million, two hundred fifty thousand, five hundred fifty-five".