2755381888 has 32 divisors (see below), whose sum is σ = 6273416160. Its totient is φ = 1180877568.

The previous prime is 2755381859. The next prime is 2755381891. The reversal of 2755381888 is 8881835572.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1536706 + ... + 1538497.

It is an arithmetic number, because the mean of its divisors is an integer number (196044255).

Almost surely, 2^2755381888 is an apocalyptic number.

2755381888 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2755381888 is an abundant number, since it is smaller than the sum of its proper divisors (3518034272).

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

2755381888 is an equidigital number, since it uses as much as digits as its factorization.

2755381888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3075224 (or 3075212 counting only the distinct ones).

The product of its digits is 4300800, while the sum is 55.

The square root of 2755381888 is about 52491.7316155602. The cubic root of 2755381888 is about 1401.9330250199.

The spelling of 2755381888 in words is "two billion, seven hundred fifty-five million, three hundred eighty-one thousand, eight hundred eighty-eight".