503035540 has 48 divisors (see below), whose sum is σ = 1208817792. Its totient is φ = 172250496.

The previous prime is 503035499. The next prime is 503035541. The reversal of 503035540 is 45530305.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503035541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140047 + ... + 143593.

It is an arithmetic number, because the mean of its divisors is an integer number (25183704).

Almost surely, 2^503035540 is an apocalyptic number.

It is an amenable number.

503035540 is an abundant number, since it is smaller than the sum of its proper divisors (705782252).

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

503035540 is a wasteful number, since it uses less digits than its factorization.

503035540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4576 (or 4574 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 25.

The square root of 503035540 is about 22428.4538031492. The cubic root of 503035540 is about 795.3034928970.

Adding to 503035540 its reverse (45530305), we get a palindrome (548565845).

The spelling of 503035540 in words is "five hundred three million, thirty-five thousand, five hundred forty".