505334342205330 has 192 divisors, whose sum is σ = 1412196986350080. Its totient is φ = 115241909207040.

The previous prime is 505334342205323. The next prime is 505334342205367. The reversal of 505334342205330 is 33502243433505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 122439111 + ... + 126499029.

It is an arithmetic number, because the mean of its divisors is an integer number (7355192637240).

Almost surely, 2^{505334342205330} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 505334342205330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (706098493175040).

505334342205330 is an abundant number, since it is smaller than the sum of its proper divisors (906862644144750).

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

505334342205330 is a wasteful number, since it uses less digits than its factorization.

505334342205330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4061985 (or 4061974 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 42.

Adding to 505334342205330 its reverse (33502243433505), we get a palindrome (538836585638835).

The spelling of 505334342205330 in words is "five hundred five trillion, three hundred thirty-four billion, three hundred forty-two million, two hundred five thousand, three hundred thirty".