2001444100 has 36 divisors (see below), whose sum is σ = 4407971344. Its totient is φ = 788626080.

The previous prime is 2001444083. The next prime is 2001444101. The reversal of 2001444100 is 14441002.

It is not an unprimeable number, because it can be changed into a prime (2001444101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 142662 + ... + 156061.

Almost surely, 2^2001444100 is an apocalyptic number.

2001444100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2001444100 is an abundant number, since it is smaller than the sum of its proper divisors (2406527244).

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

2001444100 is a wasteful number, since it uses less digits than its factorization.

2001444100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298804 (or 298797 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2001444100 is about 44737.5021654093. The cubic root of 2001444100 is about 1260.2242189369.

Adding to 2001444100 its reverse (14441002), we get a palindrome (2015885102).

The spelling of 2001444100 in words is "two billion, one million, four hundred forty-four thousand, one hundred".