204071640069460 has 96 divisors (see below), whose sum is σ = 448229978380800. Its totient is φ = 77896813463040.

The previous prime is 204071640069421. The next prime is 204071640069469. The reversal of 204071640069460 is 64960046170402.

It is a happy number.

204071640069460 is digitally balanced in base 2 and base 3, because in such bases 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 (204071640069469) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5991340830 + ... + 5991374890.

It is an arithmetic number, because the mean of its divisors is an integer number (4669062274800).

Almost surely, 2^{204071640069460} is an apocalyptic number.

204071640069460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204071640069460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224114989190400).

204071640069460 is an abundant number, since it is smaller than the sum of its proper divisors (244158338311340).

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

204071640069460 is a wasteful number, since it uses less digits than its factorization.

204071640069460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64201 (or 64199 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 49.

The spelling of 204071640069460 in words is "two hundred four trillion, seventy-one billion, six hundred forty million, sixty-nine thousand, four hundred sixty".