503040531040 has 24 divisors (see below), whose sum is σ = 1188433254960. Its totient is φ = 201216212352.

The previous prime is 503040531029. The next prime is 503040531047. The reversal of 503040531040 is 40135040305.

It is a junction number, because it is equal to n+sod(n) for n = 503040530996 and 503040531014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503040531047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1572001500 + ... + 1572001819.

It is an arithmetic number, because the mean of its divisors is an integer number (49518052290).

Almost surely, 2^503040531040 is an apocalyptic number.

It is an amenable number.

503040531040 is an abundant number, since it is smaller than the sum of its proper divisors (685392723920).

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

503040531040 is a wasteful number, since it uses less digits than its factorization.

503040531040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3144003334 (or 3144003326 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

Adding to 503040531040 its reverse (40135040305), we get a palindrome (543175571345).

The spelling of 503040531040 in words is "five hundred three billion, forty million, five hundred thirty-one thousand, forty".