18283839456 has 96 divisors (see below), whose sum is σ = 51679918080. Its totient is φ = 5638854656.

The previous prime is 18283839449. The next prime is 18283839481. The reversal of 18283839456 is 65493838281.

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

It is a junction number, because it is equal to n+sod(n) for n = 18283839396 and 18283839405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1345 + ... + 191231.

It is an arithmetic number, because the mean of its divisors is an integer number (538332480).

Almost surely, 2^18283839456 is an apocalyptic number.

18283839456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18283839456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25839959040).

18283839456 is an abundant number, since it is smaller than the sum of its proper divisors (33396078624).

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

18283839456 is a wasteful number, since it uses less digits than its factorization.

18283839456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189976 (or 189968 counting only the distinct ones).

The product of its digits is 9953280, while the sum is 57.

The spelling of 18283839456 in words is "eighteen billion, two hundred eighty-three million, eight hundred thirty-nine thousand, four hundred fifty-six".