2044544000 has 88 divisors (see below), whose sum is σ = 5101009368. Its totient is φ = 817766400.

The previous prime is 2044543999. The next prime is 2044544017. The reversal of 2044544000 is 4454402.

It can be written as a sum of positive squares in 4 ways, for example, as 14500864 + 2030043136 = 3808^2 + 45056^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120014 + ... + 135986.

Almost surely, 2^2044544000 is an apocalyptic number.

2044544000 is a gapful number since it is divisible by the number (20) 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 2044544000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2550504684).

2044544000 is an abundant number, since it is smaller than the sum of its proper divisors (3056465368).

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

2044544000 is an equidigital number, since it uses as much as digits as its factorization.

2044544000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16008 (or 15980 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 2044544000 is about 45216.6341073725. The cubic root of 2044544000 is about 1269.2061089132.

Adding to 2044544000 its reverse (4454402), we get a palindrome (2048998402).

The spelling of 2044544000 in words is "two billion, forty-four million, five hundred forty-four thousand".