28260160 has 56 divisors (see below), whose sum is σ = 68762880. Its totient is φ = 11057664.

The previous prime is 28260109. The next prime is 28260161. The reversal of 28260160 is 6106282.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28260161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14101 + ... + 15979.

Almost surely, 2^28260160 is an apocalyptic number.

28260160 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 28260160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34381440).

28260160 is an abundant number, since it is smaller than the sum of its proper divisors (40502720).

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

28260160 is a wasteful number, since it uses less digits than its factorization.

28260160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1943 (or 1933 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 28260160 is about 5316.0285928501. The cubic root of 28260160 is about 304.5964743296.

The spelling of 28260160 in words is "twenty-eight million, two hundred sixty thousand, one hundred sixty".