1444429992 has 32 divisors (see below), whose sum is σ = 3768079680. Its totient is φ = 460542720.

The previous prime is 1444429937. The next prime is 1444429997. The reversal of 1444429992 is 2999244441.

It is not an unprimeable number, because it can be changed into a prime (1444429997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1307809 + ... + 1308912.

It is an arithmetic number, because the mean of its divisors is an integer number (117752490).

Almost surely, 2^1444429992 is an apocalyptic number.

1444429992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1444429992 is an abundant number, since it is smaller than the sum of its proper divisors (2323649688).

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

1444429992 is a wasteful number, since it uses less digits than its factorization.

1444429992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2616753 (or 2616749 counting only the distinct ones).

The product of its digits is 746496, while the sum is 48.

The square root of 1444429992 is about 38005.6573683445. The cubic root of 1444429992 is about 1130.4000442259.

The spelling of 1444429992 in words is "one billion, four hundred forty-four million, four hundred twenty-nine thousand, nine hundred ninety-two".