2755706880 has 120 divisors (see below), whose sum is σ = 8818779312. Its totient is φ = 734789632.

The previous prime is 2755706879. The next prime is 2755706881. The reversal of 2755706880 is 886075572.

It is an interprime number because it is at equal distance from previous prime (2755706879) and next prime (2755706881).

It is a tau number, because it is divible by the number of its divisors (120).

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 (2755706881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240154 + ... + 251366.

Almost surely, 2^2755706880 is an apocalyptic number.

2755706880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2755706880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4409389656).

2755706880 is an abundant number, since it is smaller than the sum of its proper divisors (6063072432).

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

2755706880 is an equidigital number, since it uses as much as digits as its factorization.

2755706880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11249 (or 11223 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 48.

The square root of 2755706880 is about 52494.8271737321. The cubic root of 2755706880 is about 1401.9881412886.

The spelling of 2755706880 in words is "two billion, seven hundred fifty-five million, seven hundred six thousand, eight hundred eighty".