503442230540 has 96 divisors (see below), whose sum is σ = 1100439648000. Its totient is φ = 193346611200.

The previous prime is 503442230539. The next prime is 503442230567. The reversal of 503442230540 is 45032244305.

It is a junction number, because it is equal to n+sod(n) for n = 503442230497 and 503442230506.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10324136 + ... + 10372784.

It is an arithmetic number, because the mean of its divisors is an integer number (11462913000).

Almost surely, 2^503442230540 is an apocalyptic number.

It is an amenable number.

503442230540 is an abundant number, since it is smaller than the sum of its proper divisors (596997417460).

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

503442230540 is a wasteful number, since it uses less digits than its factorization.

503442230540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48915 (or 48913 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 32.

Adding to 503442230540 its reverse (45032244305), we get a palindrome (548474474845).

The spelling of 503442230540 in words is "five hundred three billion, four hundred forty-two million, two hundred thirty thousand, five hundred forty".