204530462340 has 96 divisors (see below), whose sum is σ = 591380549760. Its totient is φ = 52784234496.

The previous prime is 204530462317. The next prime is 204530462341. The reversal of 204530462340 is 43264035402.

It is not an unprimeable number, because it can be changed into a prime (204530462341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82429 + ... + 644868.

It is an arithmetic number, because the mean of its divisors is an integer number (6160214060).

Almost surely, 2^204530462340 is an apocalyptic number.

204530462340 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 204530462340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (295690274880).

204530462340 is an abundant number, since it is smaller than the sum of its proper divisors (386850087420).

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

204530462340 is a wasteful number, since it uses less digits than its factorization.

204530462340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727461 (or 727459 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 33.

Adding to 204530462340 its reverse (43264035402), we get a palindrome (247794497742).

The spelling of 204530462340 in words is "two hundred four billion, five hundred thirty million, four hundred sixty-two thousand, three hundred forty".