503223440650 has 48 divisors (see below), whose sum is σ = 1070718255360. Its totient is φ = 172371009600.

The previous prime is 503223440639. The next prime is 503223440651. The reversal of 503223440650 is 56044322305.

It is not an unprimeable number, because it can be changed into a prime (503223440651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 306210 + ... + 1048909.

It is an arithmetic number, because the mean of its divisors is an integer number (22306630320).

Almost surely, 2^503223440650 is an apocalyptic number.

503223440650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

503223440650 is an abundant number, since it is smaller than the sum of its proper divisors (567494814710).

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

503223440650 is a wasteful number, since it uses less digits than its factorization.

503223440650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356199 (or 1356194 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 503223440650 its reverse (56044322305), we get a palindrome (559267762955).

The spelling of 503223440650 in words is "five hundred three billion, two hundred twenty-three million, four hundred forty thousand, six hundred fifty".