204252215044 has 24 divisors (see below), whose sum is σ = 360678886400. Its totient is φ = 101203823520.

The previous prime is 204252215021. The next prime is 204252215081. The reversal of 204252215044 is 440512252402.

204252215044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 204252214997 and 204252215015.

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 7 ways as a sum of consecutive naturals, for example, 38724 + ... + 640315.

Almost surely, 2^204252215044 is an apocalyptic number.

It is an amenable number.

204252215044 is a deficient number, since it is larger than the sum of its proper divisors (156426671356).

204252215044 is a wasteful number, since it uses less digits than its factorization.

204252215044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679723 (or 679721 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 31.

Adding to 204252215044 its reverse (440512252402), we get a palindrome (644764467446).

The spelling of 204252215044 in words is "two hundred four billion, two hundred fifty-two million, two hundred fifteen thousand, forty-four".