503435325345340 has 24 divisors (see below), whose sum is σ = 1057235672948112. Its totient is φ = 201370036857600.

The previous prime is 503435325345331. The next prime is 503435325345391. The reversal of 503435325345340 is 43543523534305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254821414 + ... + 256789453.

It is an arithmetic number, because the mean of its divisors is an integer number (44051486372838).

Almost surely, 2^{503435325345340} is an apocalyptic number.

It is an amenable number.

503435325345340 is an abundant number, since it is smaller than the sum of its proper divisors (553800347602772).

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

503435325345340 is a wasteful number, since it uses less digits than its factorization.

503435325345340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511660077 (or 511660075 counting only the distinct ones).

The product of its (nonzero) digits is 19440000, while the sum is 49.

Adding to 503435325345340 its reverse (43543523534305), we get a palindrome (546978848879645).

The spelling of 503435325345340 in words is "five hundred three trillion, four hundred thirty-five billion, three hundred twenty-five million, three hundred forty-five thousand, three hundred forty".