503320652273240 has 128 divisors (see below), whose sum is σ = 1193300086392000. Its totient is φ = 190536092909568.

The previous prime is 503320652273177. The next prime is 503320652273267. The reversal of 503320652273240 is 42372256023305.

It is a junction number, because it is equal to n+sod(n) for n = 503320652273191 and 503320652273200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11888413352 + ... + 11888455688.

Almost surely, 2^{503320652273240} 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 503320652273240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (596650043196000).

503320652273240 is an abundant number, since it is smaller than the sum of its proper divisors (689979434118760).

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

503320652273240 is a wasteful number, since it uses less digits than its factorization.

503320652273240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58069 (or 58065 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 44.

The spelling of 503320652273240 in words is "five hundred three trillion, three hundred twenty billion, six hundred fifty-two million, two hundred seventy-three thousand, two hundred forty".