1444423332 has 48 divisors (see below), whose sum is σ = 3703597632. Its totient is φ = 434503680.

The previous prime is 1444423327. The next prime is 1444423381. The reversal of 1444423332 is 2333244441.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 1444423332.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21853 + ... + 58020.

It is an arithmetic number, because the mean of its divisors is an integer number (77158284).

Almost surely, 2^1444423332 is an apocalyptic number.

1444423332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1444423332 is an abundant number, since it is smaller than the sum of its proper divisors (2259174300).

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

1444423332 is a wasteful number, since it uses less digits than its factorization.

1444423332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80028 (or 80026 counting only the distinct ones).

The product of its digits is 27648, while the sum is 30.

The square root of 1444423332 is about 38005.5697497091. The cubic root of 1444423332 is about 1130.3983068679.

Adding to 1444423332 its reverse (2333244441), we get a palindrome (3777667773).

The spelling of 1444423332 in words is "one billion, four hundred forty-four million, four hundred twenty-three thousand, three hundred thirty-two".