2750489448 has 128 divisors (see below), whose sum is σ = 8006584320. Its totient is φ = 771160320.

The previous prime is 2750489447. The next prime is 2750489471. The reversal of 2750489448 is 8449840572.

It is a self number, because there is not a number n which added to its sum of digits gives 2750489448.

It is not an unprimeable number, because it can be changed into a prime (2750489447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3494511 + ... + 3495297.

It is an arithmetic number, because the mean of its divisors is an integer number (62551440).

Almost surely, 2^2750489448 is an apocalyptic number.

2750489448 is a gapful number since it is divisible by the number (28) 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 2750489448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4003292160).

2750489448 is an abundant number, since it is smaller than the sum of its proper divisors (5256094872).

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

2750489448 is a wasteful number, since it uses less digits than its factorization.

2750489448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1167 (or 1163 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 51.

The square root of 2750489448 is about 52445.1089044536. The cubic root of 2750489448 is about 1401.1027787332.

The spelling of 2750489448 in words is "two billion, seven hundred fifty million, four hundred eighty-nine thousand, four hundred forty-eight".