503221045242 has 8 divisors (see below), whose sum is σ = 1006442090496. Its totient is φ = 167740348412.

The previous prime is 503221045241. The next prime is 503221045277. The reversal of 503221045242 is 242540122305.

It is a sphenic number, since it is the product of 3 distinct primes.

503221045242 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (503221045241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41935087098 + ... + 41935087109.

It is an arithmetic number, because the mean of its divisors is an integer number (125805261312).

Almost surely, 2^503221045242 is an apocalyptic number.

503221045242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

503221045242 is a wasteful number, since it uses less digits than its factorization.

503221045242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83870174212.

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 503221045242 its reverse (242540122305), we get a palindrome (745761167547).

The spelling of 503221045242 in words is "five hundred three billion, two hundred twenty-one million, forty-five thousand, two hundred forty-two".