2755808080 has 40 divisors (see below), whose sum is σ = 6556267872. Its totient is φ = 1076686464.

The previous prime is 2755808059. The next prime is 2755808119. The reversal of 2755808080 is 808085572.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is an unprimeable number.

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, 397114 + ... + 403993.

Almost surely, 2^2755808080 is an apocalyptic number.

2755808080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2755808080 is an abundant number, since it is smaller than the sum of its proper divisors (3800459792).

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

2755808080 is a wasteful number, since it uses less digits than its factorization.

2755808080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801163 (or 801157 counting only the distinct ones).

The product of its (nonzero) digits is 179200, while the sum is 43.

The square root of 2755808080 is about 52495.7910693800. The cubic root of 2755808080 is about 1402.0053031845.

The spelling of 2755808080 in words is "two billion, seven hundred fifty-five million, eight hundred eight thousand, eighty".