204300330440 has 64 divisors (see below), whose sum is σ = 476351055360. Its totient is φ = 78776156160.

The previous prime is 204300330439. The next prime is 204300330457. The reversal of 204300330440 is 44033003402.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1862 + ... + 639221.

It is an arithmetic number, because the mean of its divisors is an integer number (7442985240).

Almost surely, 2^204300330440 is an apocalyptic number.

204300330440 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 204300330440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238175527680).

204300330440 is an abundant number, since it is smaller than the sum of its proper divisors (272050724920).

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

204300330440 is a wasteful number, since it uses less digits than its factorization.

204300330440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641382 (or 641378 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 23.

Adding to 204300330440 its reverse (44033003402), we get a palindrome (248333333842).

The spelling of 204300330440 in words is "two hundred four billion, three hundred million, three hundred thirty thousand, four hundred forty".