18400604752 has 40 divisors (see below), whose sum is σ = 36182673000. Its totient is φ = 9063892992.

The previous prime is 18400604731. The next prime is 18400604779. The reversal of 18400604752 is 25740600481.

It can be written as a sum of positive squares in 4 ways, for example, as 266211856 + 18134392896 = 16316^2 + 134664^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 371124 + ... + 417772.

It is an arithmetic number, because the mean of its divisors is an integer number (904566825).

Almost surely, 2^18400604752 is an apocalyptic number.

It is an amenable number.

18400604752 is a deficient number, since it is larger than the sum of its proper divisors (17782068248).

18400604752 is a wasteful number, since it uses less digits than its factorization.

18400604752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47023 (or 47017 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

The spelling of 18400604752 in words is "eighteen billion, four hundred million, six hundred four thousand, seven hundred fifty-two".