2555767220 has 24 divisors (see below), whose sum is σ = 5369167104. Its totient is φ = 1021915296.

The previous prime is 2555767183. The next prime is 2555767231. The reversal of 2555767220 is 227675552.

2555767220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 32249 + ... + 78431.

It is an arithmetic number, because the mean of its divisors is an integer number (223715296).

Almost surely, 2^2555767220 is an apocalyptic number.

2555767220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2555767220 is an abundant number, since it is smaller than the sum of its proper divisors (2813399884).

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

2555767220 is a wasteful number, since it uses less digits than its factorization.

2555767220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48959 (or 48957 counting only the distinct ones).

The product of its (nonzero) digits is 294000, while the sum is 41.

The square root of 2555767220 is about 50554.5964280203. The cubic root of 2555767220 is about 1367.2263880909.

The spelling of 2555767220 in words is "two billion, five hundred fifty-five million, seven hundred sixty-seven thousand, two hundred twenty".