503045510256342 has 24 divisors (see below), whose sum is σ = 1090142880050016. Its totient is φ = 167649384265776.

The previous prime is 503045510256319. The next prime is 503045510256349. The reversal of 503045510256342 is 243652015540305.

503045510256342 is a `hidden beast` number, since 5 + 0 + 3 + 0 + 4 + 5 + 5 + 1 + 0 + 2 + 5 + 634 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503045510256349) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2704278273 + ... + 2704464284.

It is an arithmetic number, because the mean of its divisors is an integer number (45422620002084).

Almost surely, 2^{503045510256342} is an apocalyptic number.

503045510256342 is an abundant number, since it is smaller than the sum of its proper divisors (587097369793674).

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

503045510256342 is a wasteful number, since it uses less digits than its factorization.

503045510256342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5408747732 (or 5408747729 counting only the distinct ones).

The product of its (nonzero) digits is 2160000, while the sum is 45.

Adding to 503045510256342 its reverse (243652015540305), we get a palindrome (746697525796647).

The spelling of 503045510256342 in words is "five hundred three trillion, forty-five billion, five hundred ten million, two hundred fifty-six thousand, three hundred forty-two".