204413002045 has 48 divisors (see below), whose sum is σ = 298881152640. Its totient is φ = 131108035968.

The previous prime is 204413002039. The next prime is 204413002049. The reversal of 204413002045 is 540200314402.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-204413002045 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204413002049) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4125639 + ... + 4174891.

It is an arithmetic number, because the mean of its divisors is an integer number (6226690680).

Almost surely, 2^204413002045 is an apocalyptic number.

It is an amenable number.

204413002045 is a deficient number, since it is larger than the sum of its proper divisors (94468150595).

204413002045 is an equidigital number, since it uses as much as digits as its factorization.

204413002045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49442 (or 49363 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 204413002045 its reverse (540200314402), we get a palindrome (744613316447).

The spelling of 204413002045 in words is "two hundred four billion, four hundred thirteen million, two thousand, forty-five".