503051500340 has 72 divisors (see below), whose sum is σ = 1097621546112. Its totient is φ = 193655244160.

The previous prime is 503051500333. The next prime is 503051500373. The reversal of 503051500340 is 43005150305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5182937 + ... + 5279103.

It is an arithmetic number, because the mean of its divisors is an integer number (15244743696).

Almost surely, 2^503051500340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 503051500340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (548810773056).

503051500340 is an abundant number, since it is smaller than the sum of its proper divisors (594570045772).

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

503051500340 is a wasteful number, since it uses less digits than its factorization.

503051500340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96545 (or 96514 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 26.

Adding to 503051500340 its reverse (43005150305), we get a palindrome (546056650645).

The spelling of 503051500340 in words is "five hundred three billion, fifty-one million, five hundred thousand, three hundred forty".