1944587344 has 180 divisors, whose sum is σ = 4737503700. Its totient is φ = 769950720.

The previous prime is 1944587339. The next prime is 1944587377. The reversal of 1944587344 is 4437854491.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 678081600 + 1266505744 = 26040^2 + 35588^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 21849252 + ... + 21849340.

It is an arithmetic number, because the mean of its divisors is an integer number (26319465).

Almost surely, 2^1944587344 is an apocalyptic number.

1944587344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1944587344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2368751850).

1944587344 is an abundant number, since it is smaller than the sum of its proper divisors (2792916356).

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

1944587344 is a wasteful number, since it uses less digits than its factorization.

1944587344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202 (or 158 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 49.

The square root of 1944587344 is about 44097.4754832972. The cubic root of 1944587344 is about 1248.1759730218.

The spelling of 1944587344 in words is "one billion, nine hundred forty-four million, five hundred eighty-seven thousand, three hundred forty-four".