505502243504 has 80 divisors (see below), whose sum is σ = 1047614853120. Its totient is φ = 235884579840.

The previous prime is 505502243497. The next prime is 505502243549. The reversal of 505502243504 is 405342205505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1534904 + ... + 1834920.

It is an arithmetic number, because the mean of its divisors is an integer number (13095185664).

Almost surely, 2^505502243504 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 505502243504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (523807426560).

505502243504 is an abundant number, since it is smaller than the sum of its proper divisors (542112609616).

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

505502243504 is a wasteful number, since it uses less digits than its factorization.

505502243504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300178 (or 300172 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 35.

The spelling of 505502243504 in words is "five hundred five billion, five hundred two million, two hundred forty-three thousand, five hundred four".