518602753940 has 48 divisors (see below), whose sum is σ = 1110789106560. Its totient is φ = 203337106560.

The previous prime is 518602753873. The next prime is 518602753987. The reversal of 518602753940 is 49357206815.

It is a happy number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 809870 + ... + 1301189.

It is an arithmetic number, because the mean of its divisors is an integer number (23141439720).

It is a 1-persistent number, because it is pandigital, but 2⋅518602753940 = 1037205507880 is not.

Almost surely, 2^518602753940 is an apocalyptic number.

It is an amenable number.

518602753940 is an abundant number, since it is smaller than the sum of its proper divisors (592186352620).

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

518602753940 is a wasteful number, since it uses less digits than its factorization.

518602753940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111312 (or 2111310 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 50.

The spelling of 518602753940 in words is "five hundred eighteen billion, six hundred two million, seven hundred fifty-three thousand, nine hundred forty".