28541120 has 56 divisors (see below), whose sum is σ = 68884800. Its totient is φ = 11261952.

The previous prime is 28541087. The next prime is 28541159. The reversal of 28541120 is 2114582.

It is a congruent number.

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, 24716 + ... + 25844.

Almost surely, 2^28541120 is an apocalyptic number.

28541120 is a gapful number since it is divisible by the number (20) 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 28541120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34442400).

28541120 is an abundant number, since it is smaller than the sum of its proper divisors (40343680).

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

28541120 is a wasteful number, since it uses less digits than its factorization.

28541120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1225 (or 1215 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 28541120 is about 5342.3889787248. The cubic root of 28541120 is about 305.6025711798.

The spelling of 28541120 in words is "twenty-eight million, five hundred forty-one thousand, one hundred twenty".