944400000 has 192 divisors, whose sum is σ = 3139486560. Its totient is φ = 251520000.

The previous prime is 944399983. The next prime is 944400001. The reversal of 944400000 is 4449.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (192).

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 944400000.

It is not an unprimeable number, because it can be changed into a prime (944400001) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1199607 + ... + 1200393.

Almost surely, 2^944400000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 944400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1569743280).

944400000 is an abundant number, since it is smaller than the sum of its proper divisors (2195086560).

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

944400000 is an frugal number, since it uses more digits than its factorization.

944400000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829 (or 797 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 944400000 is about 30731.0917476096. The cubic root of 944400000 is about 981.1121623363.

Adding to 944400000 its reverse (4449), we get a palindrome (944404449).

The spelling of 944400000 in words is "nine hundred forty-four million, four hundred thousand".