28845180 has 192 divisors, whose sum is σ = 110638080. Its totient is φ = 6075648.

The previous prime is 28845143. The next prime is 28845233. The reversal of 28845180 is 8154882.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 48847 + ... + 49433.

It is an arithmetic number, because the mean of its divisors is an integer number (576240).

Almost surely, 2^28845180 is an apocalyptic number.

28845180 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 28845180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55319040).

28845180 is an abundant number, since it is smaller than the sum of its proper divisors (81792900).

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

28845180 is a wasteful number, since it uses less digits than its factorization.

28845180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625 (or 617 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 36.

The square root of 28845180 is about 5370.7708943875. The cubic root of 28845180 is about 306.6839756036.

The spelling of 28845180 in words is "twenty-eight million, eight hundred forty-five thousand, one hundred eighty".