503966395240 has 256 divisors, whose sum is σ = 1480114944000. Its totient is φ = 149834388480.

The previous prime is 503966395237. The next prime is 503966395243. The reversal of 503966395240 is 42593669305.

It is an interprime number because it is at equal distance from previous prime (503966395237) and next prime (503966395243).

It is not an unprimeable number, because it can be changed into a prime (503966395243) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 7379571 + ... + 7447549.

It is an arithmetic number, because the mean of its divisors is an integer number (5781699000).

Almost surely, 2^503966395240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 503966395240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (740057472000).

503966395240 is an abundant number, since it is smaller than the sum of its proper divisors (976148548760).

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

503966395240 is a wasteful number, since it uses less digits than its factorization.

503966395240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68120 (or 68116 counting only the distinct ones).

The product of its (nonzero) digits is 5248800, while the sum is 52.

The spelling of 503966395240 in words is "five hundred three billion, nine hundred sixty-six million, three hundred ninety-five thousand, two hundred forty".