4581280 has 96 divisors (see below), whose sum is σ = 12519360. Its totient is φ = 1566720.

The previous prime is 4581277. The next prime is 4581281. The reversal of 4581280 is 821854.

4581280 = T₉₆ + T₉₇ + ... + T₃₀₄.

It is not an unprimeable number, because it can be changed into a prime (4581281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33372 + ... + 33508.

It is an arithmetic number, because the mean of its divisors is an integer number (130410).

Almost surely, 2^4581280 is an apocalyptic number.

4581280 is a gapful number since it is divisible by the number (40) 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 4581280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6259680).

4581280 is an abundant number, since it is smaller than the sum of its proper divisors (7938080).

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

4581280 is a wasteful number, since it uses less digits than its factorization.

4581280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182 (or 174 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 4581280 is about 2140.3924873724. The cubic root of 4581280 is about 166.0844395490.

The spelling of 4581280 in words is "four million, five hundred eighty-one thousand, two hundred eighty".