204238716528 has 240 divisors, whose sum is σ = 670034865024. Its totient is φ = 53010961920.

The previous prime is 204238716523. The next prime is 204238716569. The reversal of 204238716528 is 825617832402.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204238716523) 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, 64083351 + ... + 64086537.

Almost surely, 2^204238716528 is an apocalyptic number.

204238716528 is a gapful number since it is divisible by the number (28) 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 204238716528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (335017432512).

204238716528 is an abundant number, since it is smaller than the sum of its proper divisors (465796148496).

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

204238716528 is a wasteful number, since it uses less digits than its factorization.

204238716528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5700 (or 5687 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 48.

The spelling of 204238716528 in words is "two hundred four billion, two hundred thirty-eight million, seven hundred sixteen thousand, five hundred twenty-eight".