18258084384 has 96 divisors (see below), whose sum is σ = 49912257024. Its totient is φ = 5837475840.

The previous prime is 18258084379. The next prime is 18258084401. The reversal of 18258084384 is 48348085281.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 309142 + ... + 363434.

It is an arithmetic number, because the mean of its divisors is an integer number (519919344).

Almost surely, 2^18258084384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18258084384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24956128512).

18258084384 is an abundant number, since it is smaller than the sum of its proper divisors (31654172640).

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

18258084384 is a wasteful number, since it uses less digits than its factorization.

18258084384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54450 (or 54442 counting only the distinct ones).

The product of its (nonzero) digits is 1966080, while the sum is 51.

The spelling of 18258084384 in words is "eighteen billion, two hundred fifty-eight million, eighty-four thousand, three hundred eighty-four".