503354231303140 has 96 divisors (see below), whose sum is σ = 1221636536547840. Its totient is φ = 170637722551296.

The previous prime is 503354231303017. The next prime is 503354231303159. The reversal of 503354231303140 is 41303132453305.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 503354231303140.

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, 1818186769 + ... + 1818463591.

It is an arithmetic number, because the mean of its divisors is an integer number (12725380589040).

Almost surely, 2^{503354231303140} is an apocalyptic number.

It is an amenable number.

503354231303140 is an abundant number, since it is smaller than the sum of its proper divisors (718282305244700).

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

503354231303140 is a wasteful number, since it uses less digits than its factorization.

503354231303140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422861 (or 422859 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 37.

Adding to 503354231303140 its reverse (41303132453305), we get a palindrome (544657363756445).

The spelling of 503354231303140 in words is "five hundred three trillion, three hundred fifty-four billion, two hundred thirty-one million, three hundred three thousand, one hundred forty".