505223566432 has 48 divisors (see below), whose sum is σ = 1071243578160. Its totient is φ = 233164334592.

The previous prime is 505223566427. The next prime is 505223566447. The reversal of 505223566432 is 234665322505.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8011119 + ... + 8073937.

It is an arithmetic number, because the mean of its divisors is an integer number (22317574545).

Almost surely, 2^505223566432 is an apocalyptic number.

505223566432 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

505223566432 is an abundant number, since it is smaller than the sum of its proper divisors (566020011728).

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

505223566432 is a wasteful number, since it uses less digits than its factorization.

505223566432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82175 (or 82167 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 43.

Adding to 505223566432 its reverse (234665322505), we get a palindrome (739888888937).

The spelling of 505223566432 in words is "five hundred five billion, two hundred twenty-three million, five hundred sixty-six thousand, four hundred thirty-two".