2555805276 has 72 divisors (see below), whose sum is σ = 6679296624. Its totient is φ = 823495680.

The previous prime is 2555805271. The next prime is 2555805331. The reversal of 2555805276 is 6725085552.

2555805276 is a `hidden beast` number, since 25 + 558 + 0 + 5 + 2 + 76 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2555805271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 141646 + ... + 158666.

Almost surely, 2^2555805276 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 2555805276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3339648312).

2555805276 is an abundant number, since it is smaller than the sum of its proper divisors (4123491348).

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

2555805276 is a wasteful number, since it uses less digits than its factorization.

2555805276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17171 (or 17166 counting only the distinct ones).

The product of its (nonzero) digits is 840000, while the sum is 45.

The square root of 2555805276 is about 50554.9728117818. The cubic root of 2555805276 is about 1367.2331741692.

The spelling of 2555805276 in words is "two billion, five hundred fifty-five million, eight hundred five thousand, two hundred seventy-six".