18041128 has 32 divisors (see below), whose sum is σ = 39015360. Its totient is φ = 7660800.

The previous prime is 18041099. The next prime is 18041159. The reversal of 18041128 is 82114081.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4903 + ... + 7753.

It is an arithmetic number, because the mean of its divisors is an integer number (1219230).

Almost surely, 2^18041128 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 18041128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19507680).

18041128 is an abundant number, since it is smaller than the sum of its proper divisors (20974232).

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

18041128 is a wasteful number, since it uses less digits than its factorization.

18041128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2977 (or 2973 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 25.

The square root of 18041128 is about 4247.4849028572. The cubic root of 18041128 is about 262.2735910194.

The spelling of 18041128 in words is "eighteen million, forty-one thousand, one hundred twenty-eight".