503473444420 has 24 divisors (see below), whose sum is σ = 1062829813248. Its totient is φ = 200334981600.

The previous prime is 503473444417. The next prime is 503473444433. The reversal of 503473444420 is 24444374305.

It is a happy number.

It is a super-2 number, since 2×503473444420² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65895846 + ... + 65903485.

It is an arithmetic number, because the mean of its divisors is an integer number (44284575552).

Almost surely, 2^503473444420 is an apocalyptic number.

It is an amenable number.

503473444420 is an abundant number, since it is smaller than the sum of its proper divisors (559356368828).

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

503473444420 is a wasteful number, since it uses less digits than its factorization.

503473444420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131799531 (or 131799529 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 40.

The spelling of 503473444420 in words is "five hundred three billion, four hundred seventy-three million, four hundred forty-four thousand, four hundred twenty".