503105323360 has 72 divisors (see below), whose sum is σ = 1203081813360. Its totient is φ = 198817089792.

The previous prime is 503105323351. The next prime is 503105323373. The reversal of 503105323360 is 63323501305.

It is a super-2 number, since 2×503105323360² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 874021 + ... + 1330459.

It is an arithmetic number, because the mean of its divisors is an integer number (16709469630).

Almost surely, 2^503105323360 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 503105323360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (601540906680).

503105323360 is an abundant number, since it is smaller than the sum of its proper divisors (699976490000).

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

503105323360 is an equidigital number, since it uses as much as digits as its factorization.

503105323360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456620 (or 456529 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 31.

Adding to 503105323360 its reverse (63323501305), we get a palindrome (566428824665).

The spelling of 503105323360 in words is "five hundred three billion, one hundred five million, three hundred twenty-three thousand, three hundred sixty".