2750891328 has 112 divisors (see below), whose sum is σ = 8123895360. Its totient is φ = 912794112.

The previous prime is 2750891303. The next prime is 2750891371. The reversal of 2750891328 is 8231980572.

It is a happy number.

2750891328 is a `hidden beast` number, since 2 + 7 + 508 + 9 + 132 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 388750 + ... + 395762.

It is an arithmetic number, because the mean of its divisors is an integer number (72534780).

Almost surely, 2^2750891328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2750891328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4061947680).

2750891328 is an abundant number, since it is smaller than the sum of its proper divisors (5373004032).

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

2750891328 is a wasteful number, since it uses less digits than its factorization.

2750891328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7261 (or 7245 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 2750891328 is about 52448.9401990164. The cubic root of 2750891328 is about 1401.1710148021.

The spelling of 2750891328 in words is "two billion, seven hundred fifty million, eight hundred ninety-one thousand, three hundred twenty-eight".