503640424072 has 32 divisors (see below), whose sum is σ = 949237470720. Its totient is φ = 250510751680.

The previous prime is 503640424037. The next prime is 503640424093. The reversal of 503640424072 is 270424046305.

It is a super-2 number, since 2×503640424072² (a number of 24 digits) contains 22 as substring.

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, 17591193 + ... + 17619799.

It is an arithmetic number, because the mean of its divisors is an integer number (29663670960).

Almost surely, 2^503640424072 is an apocalyptic number.

It is an amenable number.

503640424072 is a deficient number, since it is larger than the sum of its proper divisors (445597046648).

503640424072 is a wasteful number, since it uses less digits than its factorization.

503640424072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39981 (or 39977 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 37.

The spelling of 503640424072 in words is "five hundred three billion, six hundred forty million, four hundred twenty-four thousand, seventy-two".