2663446828 has 96 divisors (see below), whose sum is σ = 5907686400. Its totient is φ = 1024379136.

The previous prime is 2663446801. The next prime is 2663446867. The reversal of 2663446828 is 8286443662.

2663446828 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1332726 + ... + 1334722.

It is an arithmetic number, because the mean of its divisors is an integer number (61538400).

Almost surely, 2^2663446828 is an apocalyptic number.

2663446828 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 2663446828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2953843200).

2663446828 is an abundant number, since it is smaller than the sum of its proper divisors (3244239572).

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

2663446828 is a wasteful number, since it uses less digits than its factorization.

2663446828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2159 (or 2157 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 49.

The square root of 2663446828 is about 51608.5925791433. The cubic root of 2663446828 is about 1386.1641960550.

The spelling of 2663446828 in words is "two billion, six hundred sixty-three million, four hundred forty-six thousand, eight hundred twenty-eight".