1444432992 has 24 divisors (see below), whose sum is σ = 3791636856. Its totient is φ = 481477632.

The previous prime is 1444432937. The next prime is 1444433021. The reversal of 1444432992 is 2992344441.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7522993 + ... + 7523184.

It is an arithmetic number, because the mean of its divisors is an integer number (157984869).

Almost surely, 2^1444432992 is an apocalyptic number.

1444432992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1444432992 is an abundant number, since it is smaller than the sum of its proper divisors (2347203864).

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

1444432992 is a wasteful number, since it uses less digits than its factorization.

1444432992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15046190 (or 15046182 counting only the distinct ones).

The product of its digits is 248832, while the sum is 42.

The square root of 1444432992 is about 38005.6968361323. The cubic root of 1444432992 is about 1130.4008268178.

The spelling of 1444432992 in words is "one billion, four hundred forty-four million, four hundred thirty-two thousand, nine hundred ninety-two".