204876535005240 has 512 divisors, whose sum is σ = 731059991101440. Its totient is φ = 44946723225600.

The previous prime is 204876535005239. The next prime is 204876535005283. The reversal of 204876535005240 is 42500535678402.

It is a super-3 number, since 3×204876535005240³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1757980252 + ... + 1758096788.

It is an arithmetic number, because the mean of its divisors is an integer number (1427851545120).

Almost surely, 2^{204876535005240} is an apocalyptic number.

204876535005240 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 204876535005240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (365529995550720).

204876535005240 is an abundant number, since it is smaller than the sum of its proper divisors (526183456096200).

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

204876535005240 is a wasteful number, since it uses less digits than its factorization.

204876535005240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117143 (or 117139 counting only the distinct ones).

The product of its (nonzero) digits is 8064000, while the sum is 51.

The spelling of 204876535005240 in words is "two hundred four trillion, eight hundred seventy-six billion, five hundred thirty-five million, five thousand, two hundred forty".