18305010420 has 48 divisors (see below), whose sum is σ = 51345161280. Its totient is φ = 4872656896.

The previous prime is 18305010413. The next prime is 18305010439. The reversal of 18305010420 is 2401050381.

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 15 ways as a sum of consecutive naturals, for example, 237165 + ... + 304724.

It is an arithmetic number, because the mean of its divisors is an integer number (1069690860).

Almost surely, 2^18305010420 is an apocalyptic number.

18305010420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18305010420 is an abundant number, since it is smaller than the sum of its proper divisors (33040150860).

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

18305010420 is a wasteful number, since it uses less digits than its factorization.

18305010420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542464 (or 542462 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The spelling of 18305010420 in words is "eighteen billion, three hundred five million, ten thousand, four hundred twenty".