2044921284 has 144 divisors (see below), whose sum is σ = 6247987200. Its totient is φ = 550888128.

The previous prime is 2044921259. The next prime is 2044921301. The reversal of 2044921284 is 4821294402.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1143439 + ... + 1145225.

It is an arithmetic number, because the mean of its divisors is an integer number (43388800).

Almost surely, 2^2044921284 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 2044921284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3123993600).

2044921284 is an abundant number, since it is smaller than the sum of its proper divisors (4203065916).

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

2044921284 is a wasteful number, since it uses less digits than its factorization.

2044921284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2062 (or 2057 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 2044921284 is about 45220.8058751721. The cubic root of 2044921284 is about 1269.2841738682.

The spelling of 2044921284 in words is "two billion, forty-four million, nine hundred twenty-one thousand, two hundred eighty-four".