28110450 has 48 divisors (see below), whose sum is σ = 70147296. Its totient is φ = 7449600.

The previous prime is 28110431. The next prime is 28110479. The reversal of 28110450 is 5401182.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28465 + ... + 29435.

It is an arithmetic number, because the mean of its divisors is an integer number (1461402).

Almost surely, 2^28110450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28110450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35073648).

28110450 is an abundant number, since it is smaller than the sum of its proper divisors (42036846).

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

28110450 is a wasteful number, since it uses less digits than its factorization.

28110450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1179 (or 1174 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 28110450 is about 5301.9288942799. The cubic root of 28110450 is about 304.0576486355.

It can be divided in two parts, 281 and 10450, that added together give a triangular number (10731 = T₁₄₆).

The spelling of 28110450 in words is "twenty-eight million, one hundred ten thousand, four hundred fifty".