1444023456 has 48 divisors (see below), whose sum is σ = 3800115648. Its totient is φ = 480128000.

The previous prime is 1444023311. The next prime is 1444023461. The reversal of 1444023456 is 6543204441.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19741 + ... + 57251.

It is an arithmetic number, because the mean of its divisors is an integer number (79169076).

Almost surely, 2^1444023456 is an apocalyptic number.

1444023456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1444023456 is an abundant number, since it is smaller than the sum of its proper divisors (2356092192).

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

1444023456 is a wasteful number, since it uses less digits than its factorization.

1444023456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37925 (or 37917 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 33.

The square root of 1444023456 is about 38000.3086303256. The cubic root of 1444023456 is about 1130.2939836033.

Adding to 1444023456 its reverse (6543204441), we get a palindrome (7987227897).

The spelling of 1444023456 in words is "one billion, four hundred forty-four million, twenty-three thousand, four hundred fifty-six".