4520256 has 56 divisors (see below), whose sum is σ = 12886944. Its totient is φ = 1390080.

The previous prime is 4520239. The next prime is 4520261. The reversal of 4520256 is 6520254.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 1591 + ... + 3401.

It is an arithmetic number, because the mean of its divisors is an integer number (230124).

Almost surely, 2^4520256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4520256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6443472).

4520256 is an abundant number, since it is smaller than the sum of its proper divisors (8366688).

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

4520256 is a wasteful number, since it uses less digits than its factorization.

4520256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1839 (or 1829 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 4520256 is about 2126.0893678301. The cubic root of 4520256 is about 165.3437096043.

It can be divided in two parts, 45 and 20256, that added together give a triangular number (20301 = T₂₀₁).

The spelling of 4520256 in words is "four million, five hundred twenty thousand, two hundred fifty-six".