505446663500500 has 96 divisors (see below), whose sum is σ = 1168910092022400. Its totient is φ = 190272852185600.

The previous prime is 505446663500479. The next prime is 505446663500507. The reversal of 505446663500500 is 5005366644505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505446663500507) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123333351 + ... + 127365649.

It is an arithmetic number, because the mean of its divisors is an integer number (12176146791900).

Almost surely, 2^{505446663500500} is an apocalyptic number.

505446663500500 is a gapful number since it is divisible by the number (50) 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 505446663500500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (584455046011200).

505446663500500 is an abundant number, since it is smaller than the sum of its proper divisors (663463428521900).

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

505446663500500 is a wasteful number, since it uses less digits than its factorization.

505446663500500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4047082 (or 4047070 counting only the distinct ones).

The product of its (nonzero) digits is 6480000, while the sum is 49.

The spelling of 505446663500500 in words is "five hundred five trillion, four hundred forty-six billion, six hundred sixty-three million, five hundred thousand, five hundred".