1444040100 has 108 divisors (see below), whose sum is σ = 4534543104. Its totient is φ = 384373440.

The previous prime is 1444040099. The next prime is 1444040111. The reversal of 1444040100 is 10404441.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 653197 + ... + 655403.

Almost surely, 2^1444040100 is an apocalyptic number.

1444040100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1444040100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2267271552).

1444040100 is an abundant number, since it is smaller than the sum of its proper divisors (3090503004).

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

1444040100 is a wasteful number, since it uses less digits than its factorization.

1444040100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2954 (or 2944 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 1444040100 is about 38000.5276279159. The cubic root of 1444040100 is about 1130.2983262246.

Adding to 1444040100 its reverse (10404441), we get a palindrome (1454444541).

It can be divided in two parts, 144 and 4040100, that multiplied together give a square (581774400 = 24120²).

The spelling of 1444040100 in words is "one billion, four hundred forty-four million, forty thousand, one hundred".