204000440045 has 16 divisors (see below), whose sum is σ = 259235665920. Its totient is φ = 153579527424.

The previous prime is 204000440003. The next prime is 204000440051. The reversal of 204000440045 is 540044000402.

It is a cyclic number.

It is not a de Polignac number, because 204000440045 - 2²² = 203996245741 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 204000440045.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 483764 + ... + 801266.

It is an arithmetic number, because the mean of its divisors is an integer number (16202229120).

Almost surely, 2^204000440045 is an apocalyptic number.

It is an amenable number.

204000440045 is a deficient number, since it is larger than the sum of its proper divisors (55235225875).

204000440045 is a wasteful number, since it uses less digits than its factorization.

204000440045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325084.

The product of its (nonzero) digits is 2560, while the sum is 23.

Adding to 204000440045 its reverse (540044000402), we get a palindrome (744044440447).

The spelling of 204000440045 in words is "two hundred four billion, four hundred forty thousand, forty-five".