2044442444 has 48 divisors (see below), whose sum is σ = 3989938176. Its totient is φ = 908812800.

The previous prime is 2044442431. The next prime is 2044442447. The reversal of 2044442444 is 4442444402.

It is a self number, because there is not a number n which added to its sum of digits gives 2044442444.

It is not an unprimeable number, because it can be changed into a prime (2044442447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 394172 + ... + 399324.

It is an arithmetic number, because the mean of its divisors is an integer number (83123712).

Almost surely, 2^2044442444 is an apocalyptic number.

It is an amenable number.

2044442444 is a deficient number, since it is larger than the sum of its proper divisors (1945495732).

2044442444 is a wasteful number, since it uses less digits than its factorization.

2044442444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5366 (or 5364 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

The square root of 2044442444 is about 45215.5110996216. The cubic root of 2044442444 is about 1269.1850940186.

Adding to 2044442444 its reverse (4442444402), we get a palindrome (6486886846).

The spelling of 2044442444 in words is "two billion, forty-four million, four hundred forty-two thousand, four hundred forty-four".