18414441500 has 96 divisors (see below), whose sum is σ = 49498141056. Its totient is φ = 5827852800.

The previous prime is 18414441499. The next prime is 18414441571. The reversal of 18414441500 is 514441481.

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 31 ways as a sum of consecutive naturals, for example, 156857 + ... + 247856.

It is an arithmetic number, because the mean of its divisors is an integer number (515605636).

Almost surely, 2^18414441500 is an apocalyptic number.

18414441500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18414441500 is an abundant number, since it is smaller than the sum of its proper divisors (31083699556).

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

18414441500 is a wasteful number, since it uses less digits than its factorization.

18414441500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404752 (or 404740 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 32.

Adding to 18414441500 its reverse (514441481), we get a palindrome (18928882981).

The spelling of 18414441500 in words is "eighteen billion, four hundred fourteen million, four hundred forty-one thousand, five hundred".