204799426884 has 288 divisors, whose sum is σ = 591029187840. Its totient is φ = 59320774656.

The previous prime is 204799426877. The next prime is 204799426919. The reversal of 204799426884 is 488624997402.

204799426884 is a `hidden beast` number, since 2 + 0 + 47 + 99 + 426 + 8 + 84 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 299852407 + ... + 299853089.

It is an arithmetic number, because the mean of its divisors is an integer number (2052184680).

Almost surely, 2^204799426884 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204799426884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (295514593920).

204799426884 is an abundant number, since it is smaller than the sum of its proper divisors (386229760956).

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

204799426884 is a wasteful number, since it uses less digits than its factorization.

204799426884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131 (or 1126 counting only the distinct ones).

The product of its (nonzero) digits is 55738368, while the sum is 63.

The spelling of 204799426884 in words is "two hundred four billion, seven hundred ninety-nine million, four hundred twenty-six thousand, eight hundred eighty-four".