1444042446 has 192 divisors, whose sum is σ = 3924080640. Its totient is φ = 349272000.

The previous prime is 1444042423. The next prime is 1444042459. The reversal of 1444042446 is 6442404441.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4362501 + ... + 4362831.

It is an arithmetic number, because the mean of its divisors is an integer number (20437920).

Almost surely, 2^1444042446 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1444042446, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1962040320).

1444042446 is an abundant number, since it is smaller than the sum of its proper divisors (2480038194).

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

1444042446 is a wasteful number, since it uses less digits than its factorization.

1444042446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451 (or 444 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 33.

The square root of 1444042446 is about 38000.5584958958. The cubic root of 1444042446 is about 1130.2989383217.

Adding to 1444042446 its reverse (6442404441), we get a palindrome (7886446887).

The spelling of 1444042446 in words is "one billion, four hundred forty-four million, forty-two thousand, four hundred forty-six".