2456256 has 56 divisors (see below), whose sum is σ = 7095744. Its totient is φ = 743680.

The previous prime is 2456249. The next prime is 2456261. The reversal of 2456256 is 6526542.

It is a d-powerful number, because it can be written as 2³ + 4⁵ + 5 + 6 + 2²¹ + 5⁷ + 6⁷ .

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, 1531 + ... + 2693.

2^2456256 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 2456256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3547872).

2456256 is an abundant number, since it is smaller than the sum of its proper divisors (4639488).

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

2456256 is a wasteful number, since it uses less digits than its factorization.

2456256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1189 (or 1179 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 2456256 is about 1567.2447160543. The cubic root of 2456256 is about 134.9246218431.

It can be divided in two parts, 24 and 56256, that added together give a triangular number (56280 = T₃₃₅).

The spelling of 2456256 in words is "two million, four hundred fifty-six thousand, two hundred fifty-six".