204481418864 has 40 divisors (see below), whose sum is σ = 401830709760. Its totient is φ = 100783659200.

The previous prime is 204481418863. The next prime is 204481418923. The reversal of 204481418864 is 468814184402.

204481418864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204481418863) by changing a digit.

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, 9121109 + ... + 9143499.

It is an arithmetic number, because the mean of its divisors is an integer number (10045767744).

Almost surely, 2^204481418864 is an apocalyptic number.

It is an amenable number.

204481418864 is a deficient number, since it is larger than the sum of its proper divisors (197349290896).

204481418864 is a wasteful number, since it uses less digits than its factorization.

204481418864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30509 (or 30503 counting only the distinct ones).

The product of its (nonzero) digits is 1572864, while the sum is 50.

The spelling of 204481418864 in words is "two hundred four billion, four hundred eighty-one million, four hundred eighteen thousand, eight hundred sixty-four".