6505560433830 has 96 divisors (see below), whose sum is σ = 16484810515200. Its totient is φ = 1642865684544.

The previous prime is 6505560433817. The next prime is 6505560433837. The reversal of 6505560433830 is 383340655056.

It is a self number, because there is not a number n which added to its sum of digits gives 6505560433830.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6505560433837) 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 47 ways as a sum of consecutive naturals, for example, 27814111 + ... + 28047029.

It is an arithmetic number, because the mean of its divisors is an integer number (171716776200).

Almost surely, 2^{6505560433830} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6505560433830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8242405257600).

6505560433830 is an abundant number, since it is smaller than the sum of its proper divisors (9979250081370).

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

6505560433830 is a wasteful number, since it uses less digits than its factorization.

6505560433830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235546 (or 235527 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 48.

The spelling of 6505560433830 in words is "six trillion, five hundred five billion, five hundred sixty million, four hundred thirty-three thousand, eight hundred thirty".