2820444328 has 64 divisors (see below), whose sum is σ = 5862568320. Its totient is φ = 1264032000.

The previous prime is 2820444311. The next prime is 2820444359. The reversal of 2820444328 is 8234440282.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 491878 + ... + 497578.

It is an arithmetic number, because the mean of its divisors is an integer number (91602630).

Almost surely, 2^2820444328 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 2820444328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2931284160).

2820444328 is an abundant number, since it is smaller than the sum of its proper divisors (3042123992).

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

2820444328 is a wasteful number, since it uses less digits than its factorization.

2820444328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5858 (or 5854 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 37.

The square root of 2820444328 is about 53107.8556147770. The cubic root of 2820444328 is about 1412.8818426044.

The spelling of 2820444328 in words is "two billion, eight hundred twenty million, four hundred forty-four thousand, three hundred twenty-eight".