204315321045140 has 24 divisors (see below), whose sum is σ = 429255358517832. Its totient is φ = 81689331404160.

The previous prime is 204315321045137. The next prime is 204315321045163. The reversal of 204315321045140 is 41540123513402.

204315321045140 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 18399587196676 + 185915733848464 = 4289474^2 + 13635092^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 204315321045140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2299767839 + ... + 2299856678.

It is an arithmetic number, because the mean of its divisors is an integer number (17885639938243).

Almost surely, 2^{204315321045140} is an apocalyptic number.

204315321045140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204315321045140 is an abundant number, since it is smaller than the sum of its proper divisors (224940037472692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204315321045140 is a wasteful number, since it uses less digits than its factorization.

204315321045140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4599626747 (or 4599626745 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 204315321045140 its reverse (41540123513402), we get a palindrome (245855444558542).

The spelling of 204315321045140 in words is "two hundred four trillion, three hundred fifteen billion, three hundred twenty-one million, forty-five thousand, one hundred forty".