2555774256 has 40 divisors (see below), whose sum is σ = 7545620224. Its totient is φ = 730221120.

The previous prime is 2555774239. The next prime is 2555774257. The reversal of 2555774256 is 6524775552.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (2555774257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3802900 + ... + 3803571.

Almost surely, 2^2555774256 is an apocalyptic number.

It is an amenable number.

2555774256 is an abundant number, since it is smaller than the sum of its proper divisors (4989845968).

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

2555774256 is a wasteful number, since it uses less digits than its factorization.

2555774256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7606489 (or 7606483 counting only the distinct ones).

The product of its digits is 2940000, while the sum is 48.

The square root of 2555774256 is about 50554.6660161058. Note that the first 3 decimals coincide. The cubic root of 2555774256 is about 1367.2276427430.

The spelling of 2555774256 in words is "two billion, five hundred fifty-five million, seven hundred seventy-four thousand, two hundred fifty-six".