502045440415444 has 6 divisors (see below), whose sum is σ = 878579520727034. Its totient is φ = 251022720207720.

The previous prime is 502045440415433. The next prime is 502045440415511. The reversal of 502045440415444 is 444514044540205.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 487996287247044 + 14049153168400 = 22090638^2 + 3748220^2 .

It is a junction number, because it is equal to n+sod(n) for n = 502045440415394 and 502045440415403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62755680051927 + ... + 62755680051934.

Almost surely, 2^{502045440415444} is an apocalyptic number.

It is an amenable number.

502045440415444 is a deficient number, since it is larger than the sum of its proper divisors (376534080311590).

502045440415444 is a wasteful number, since it uses less digits than its factorization.

502045440415444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125511360103865 (or 125511360103863 counting only the distinct ones).

The product of its (nonzero) digits is 4096000, while the sum is 46.

Adding to 502045440415444 its reverse (444514044540205), we get a palindrome (946559484955649).

The spelling of 502045440415444 in words is "five hundred two trillion, forty-five billion, four hundred forty million, four hundred fifteen thousand, four hundred forty-four".