503315340 has 48 divisors (see below), whose sum is σ = 1537401600. Its totient is φ = 122015680.

The previous prime is 503315333. The next prime is 503315341. The reversal of 503315340 is 43513305.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 503315340.

It is not an unprimeable number, because it can be changed into a prime (503315341) 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, 380640 + ... + 381959.

It is an arithmetic number, because the mean of its divisors is an integer number (32029200).

Almost surely, 2^503315340 is an apocalyptic number.

It is an amenable number.

503315340 is an abundant number, since it is smaller than the sum of its proper divisors (1034086260).

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

503315340 is a wasteful number, since it uses less digits than its factorization.

503315340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762622 (or 762620 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 503315340 is about 22434.6905483450. The cubic root of 503315340 is about 795.4509209641.

Adding to 503315340 its reverse (43513305), we get a palindrome (546828645).

The spelling of 503315340 in words is "five hundred three million, three hundred fifteen thousand, three hundred forty".