2005450444 has 12 divisors (see below), whose sum is σ = 3510333904. Its totient is φ = 1002497904.

The previous prime is 2005450423. The next prime is 2005450463. The reversal of 2005450444 is 4440545002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36144 + ... + 72919.

Almost surely, 2^2005450444 is an apocalyptic number.

It is an amenable number.

2005450444 is a deficient number, since it is larger than the sum of its proper divisors (1504883460).

2005450444 is a wasteful number, since it uses less digits than its factorization.

2005450444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113664 (or 113662 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 2005450444 is about 44782.2559056598. The cubic root of 2005450444 is about 1261.0645332955.

Adding to 2005450444 its reverse (4440545002), we get a palindrome (6445995446).

The spelling of 2005450444 in words is "two billion, five million, four hundred fifty thousand, four hundred forty-four".