502322440442 has 4 divisors (see below), whose sum is σ = 753483660666. Its totient is φ = 251161220220.

The previous prime is 502322440441. The next prime is 502322440447. The reversal of 502322440442 is 244044223205.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 500755784881 + 1566655561 = 707641^2 + 39581^2 .

It is a junction number, because it is equal to n+sod(n) for n = 502322440399 and 502322440408.

It is not an unprimeable number, because it can be changed into a prime (502322440441) by changing a digit.

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 as a sum of consecutive naturals, namely, 125580610109 + ... + 125580610112.

Almost surely, 2^502322440442 is an apocalyptic number.

502322440442 is a deficient number, since it is larger than the sum of its proper divisors (251161220224).

502322440442 is a wasteful number, since it uses less digits than its factorization.

502322440442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251161220223.

The product of its (nonzero) digits is 61440, while the sum is 32.

Adding to 502322440442 its reverse (244044223205), we get a palindrome (746366663647).

The spelling of 502322440442 in words is "five hundred two billion, three hundred twenty-two million, four hundred forty thousand, four hundred forty-two".