503240033320 has 32 divisors (see below), whose sum is σ = 1132451159400. Its totient is φ = 201267376128.

The previous prime is 503240033209. The next prime is 503240033323. The reversal of 503240033320 is 23330042305.

It can be written as a sum of positive squares in 4 ways, for example, as 474337993284 + 28902040036 = 688722^2 + 170006^2 .

It is a super-2 number, since 2×503240033320² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (503240033323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 609105 + ... + 1173664.

Almost surely, 2^503240033320 is an apocalyptic number.

It is an amenable number.

503240033320 is an abundant number, since it is smaller than the sum of its proper divisors (629211126080).

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

503240033320 is a wasteful number, since it uses less digits than its factorization.

503240033320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1789837 (or 1789833 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 25.

Adding to 503240033320 its reverse (23330042305), we get a palindrome (526570075625).

The spelling of 503240033320 in words is "five hundred three billion, two hundred forty million, thirty-three thousand, three hundred twenty".