503222540144 has 10 divisors (see below), whose sum is σ = 974993671560. Its totient is φ = 251611270064.

The previous prime is 503222540143. The next prime is 503222540203. The reversal of 503222540144 is 441045222305.

It is a self number, because there is not a number n which added to its sum of digits gives 503222540144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503222540143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15725704364 + ... + 15725704395.

It is an arithmetic number, because the mean of its divisors is an integer number (97499367156).

Almost surely, 2^503222540144 is an apocalyptic number.

It is an amenable number.

503222540144 is a deficient number, since it is larger than the sum of its proper divisors (471771131416).

503222540144 is a wasteful number, since it uses less digits than its factorization.

503222540144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31451408767 (or 31451408761 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 503222540144 its reverse (441045222305), we get a palindrome (944267762449).

The spelling of 503222540144 in words is "five hundred three billion, two hundred twenty-two million, five hundred forty thousand, one hundred forty-four".