502240442321 has 16 divisors (see below), whose sum is σ = 520103823360. Its totient is φ = 484481986560.

The previous prime is 502240442303. The next prime is 502240442351. The reversal of 502240442321 is 123244042205.

It is a cyclic number.

It is not a de Polignac number, because 502240442321 - 2¹⁴ = 502240425937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (502240442351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36575585 + ... + 36589313.

It is an arithmetic number, because the mean of its divisors is an integer number (32506488960).

Almost surely, 2^502240442321 is an apocalyptic number.

It is an amenable number.

502240442321 is a deficient number, since it is larger than the sum of its proper divisors (17863381039).

502240442321 is a wasteful number, since it uses less digits than its factorization.

502240442321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17456.

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 502240442321 its reverse (123244042205), we get a palindrome (625484484526).

The spelling of 502240442321 in words is "five hundred two billion, two hundred forty million, four hundred forty-two thousand, three hundred twenty-one".