505420615050 has 192 divisors, whose sum is σ = 1421729003520. Its totient is φ = 117888756480.

The previous prime is 505420615031. The next prime is 505420615069. The reversal of 505420615050 is 50516024505.

It is an interprime number because it is at equal distance from previous prime (505420615031) and next prime (505420615069).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4746291 + ... + 4851609.

It is an arithmetic number, because the mean of its divisors is an integer number (7404838560).

Almost surely, 2^505420615050 is an apocalyptic number.

505420615050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 505420615050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (710864501760).

505420615050 is an abundant number, since it is smaller than the sum of its proper divisors (916308388470).

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

505420615050 is a wasteful number, since it uses less digits than its factorization.

505420615050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105477 (or 105472 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 33.

Adding to 505420615050 its reverse (50516024505), we get a palindrome (555936639555).

The spelling of 505420615050 in words is "five hundred five billion, four hundred twenty million, six hundred fifteen thousand, fifty".