944489544 has 64 divisors (see below), whose sum is σ = 2502360000. Its totient is φ = 296236800.

The previous prime is 944489543. The next prime is 944489561. The reversal of 944489544 is 445984449.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (944489543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60994 + ... + 74894.

It is an arithmetic number, because the mean of its divisors is an integer number (39099375).

Almost surely, 2^944489544 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 944489544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1251180000).

944489544 is an abundant number, since it is smaller than the sum of its proper divisors (1557870456).

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

944489544 is a wasteful number, since it uses less digits than its factorization.

944489544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14078 (or 14074 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 51.

The square root of 944489544 is about 30732.5486089260. The cubic root of 944489544 is about 981.1431696535.

The spelling of 944489544 in words is "nine hundred forty-four million, four hundred eighty-nine thousand, five hundred forty-four".