40444003344 has 80 divisors (see below), whose sum is σ = 109100160000. Its totient is φ = 12886059648.

The previous prime is 40444003337. The next prime is 40444003349. The reversal of 40444003344 is 44330044404.

It is not an unprimeable number, because it can be changed into a prime (40444003349) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1642677 + ... + 1667115.

It is an arithmetic number, because the mean of its divisors is an integer number (1363752000).

Almost surely, 2^40444003344 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 40444003344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54550080000).

40444003344 is an abundant number, since it is smaller than the sum of its proper divisors (68656156656).

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

40444003344 is a wasteful number, since it uses less digits than its factorization.

40444003344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25972 (or 25966 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 30.

Adding to 40444003344 its reverse (44330044404), we get a palindrome (84774047748).

The spelling of 40444003344 in words is "forty billion, four hundred forty-four million, three thousand, three hundred forty-four".