2771285448 has 64 divisors (see below), whose sum is σ = 7163795520. Its totient is φ = 892774400.

The previous prime is 2771285357. The next prime is 2771285453. The reversal of 2771285448 is 8445821772.

2771285448 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 52643²-1.

It is a junction number, because it is equal to n+sod(n) for n = 2771285397 and 2771285406.

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, 92128 + ... + 118448.

It is an arithmetic number, because the mean of its divisors is an integer number (111934305).

Almost surely, 2^2771285448 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 2771285448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3581897760).

2771285448 is an abundant number, since it is smaller than the sum of its proper divisors (4392510072).

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

2771285448 is a wasteful number, since it uses less digits than its factorization.

2771285448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26478 (or 26474 counting only the distinct ones).

The product of its digits is 1003520, while the sum is 48.

The square root of 2771285448 is about 52642.9999905021. Note that the first 5 decimals coincide. The cubic root of 2771285448 is about 1404.6250859015.

The spelling of 2771285448 in words is "two billion, seven hundred seventy-one million, two hundred eighty-five thousand, four hundred forty-eight".