1444111100 has 18 divisors (see below), whose sum is σ = 3133721304. Its totient is φ = 577644400.

The previous prime is 1444111091. The next prime is 1444111111. The reversal of 1444111100 is 11114441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7220456 + ... + 7220655.

It is an arithmetic number, because the mean of its divisors is an integer number (174095628).

Almost surely, 2^1444111100 is an apocalyptic number.

1444111100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1444111100 is an abundant number, since it is smaller than the sum of its proper divisors (1689610204).

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

1444111100 is a wasteful number, since it uses less digits than its factorization.

1444111100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14441125 (or 14441118 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 1444111100 is about 38001.4618139882. The cubic root of 1444111100 is about 1130.3168506099.

Adding to 1444111100 its reverse (11114441), we get a palindrome (1455225541).

The spelling of 1444111100 in words is "one billion, four hundred forty-four million, one hundred eleven thousand, one hundred".