2556180 has 72 divisors (see below), whose sum is σ = 8465184. Its totient is φ = 619200.

The previous prime is 2556179. The next prime is 2556187. The reversal of 2556180 is 816552.

2556180 is a `hidden beast` number, since 25 + 561 + 80 = 666.

2556180 is nontrivially palindromic in base 14.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2556187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1335 + ... + 2625.

It is an arithmetic number, because the mean of its divisors is an integer number (117572).

2^2556180 is an apocalyptic number.

2556180 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 2556180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4232592).

2556180 is an abundant number, since it is smaller than the sum of its proper divisors (5909004).

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

2556180 is a wasteful number, since it uses less digits than its factorization.

2556180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1317 (or 1312 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 2556180 is about 1598.8058043427. The cubic root of 2556180 is about 136.7299990690.

The spelling of 2556180 in words is "two million, five hundred fifty-six thousand, one hundred eighty".