2044400144 has 40 divisors (see below), whose sum is σ = 4197287160. Its totient is φ = 961323008.

The previous prime is 2044400143. The next prime is 2044400147. The reversal of 2044400144 is 4410044402.

It can be written as a sum of positive squares in 4 ways, for example, as 557526544 + 1486873600 = 23612^2 + 38560^2 .

It is not an unprimeable number, because it can be changed into a prime (2044400143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 518372 + ... + 522300.

It is an arithmetic number, because the mean of its divisors is an integer number (104932179).

Almost surely, 2^2044400144 is an apocalyptic number.

It is an amenable number.

2044400144 is an abundant number, since it is smaller than the sum of its proper divisors (2152887016).

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

2044400144 is a wasteful number, since it uses less digits than its factorization.

2044400144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5867 (or 5861 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 2044400144 is about 45215.0433373673. The cubic root of 2044400144 is about 1269.1763407112.

Adding to 2044400144 its reverse (4410044402), we get a palindrome (6454444546).

The spelling of 2044400144 in words is "two billion, forty-four million, four hundred thousand, one hundred forty-four".