1444849944 has 24 divisors (see below), whose sum is σ = 3612590460. Its totient is φ = 481554576.

The previous prime is 1444849943. The next prime is 1444849957. The reversal of 1444849944 is 4499484441.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444849943) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 182337 + ... + 190095.

Almost surely, 2^1444849944 is an apocalyptic number.

It is an amenable number.

1444849944 is an abundant number, since it is smaller than the sum of its proper divisors (2167740516).

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

1444849944 is an frugal number, since it uses more digits than its factorization.

1444849944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15527 (or 7764 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 51.

The square root of 1444849944 is about 38011.1818285094. The cubic root of 1444849944 is about 1130.5095840359.

The spelling of 1444849944 in words is "one billion, four hundred forty-four million, eight hundred forty-nine thousand, nine hundred forty-four".