503052312540 has 24 divisors (see below), whose sum is σ = 1408546475280. Its totient is φ = 134147283328.

The previous prime is 503052312523. The next prime is 503052312541. The reversal of 503052312540 is 45213250305.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 503052312498 and 503052312507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503052312541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4192102545 + ... + 4192102664.

It is an arithmetic number, because the mean of its divisors is an integer number (58689436470).

Almost surely, 2^503052312540 is an apocalyptic number.

It is an amenable number.

503052312540 is an abundant number, since it is smaller than the sum of its proper divisors (905494162740).

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

503052312540 is a wasteful number, since it uses less digits than its factorization.

503052312540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8384205221 (or 8384205219 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 503052312540 its reverse (45213250305), we get a palindrome (548265562845).

The spelling of 503052312540 in words is "five hundred three billion, fifty-two million, three hundred twelve thousand, five hundred forty".