44040004 has 12 divisors (see below), whose sum is σ = 77266924. Its totient is φ = 21963744.

The previous prime is 44040001. The next prime is 44040077. The reversal of 44040004 is 40004044.

It can be written as a sum of positive squares in 2 ways, for example, as 18939904 + 25100100 = 4352^2 + 5010^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 44040004.

It is not an unprimeable number, because it can be changed into a prime (44040001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12279 + ... + 15454.

Almost surely, 2^44040004 is an apocalyptic number.

It is an amenable number.

44040004 is a deficient number, since it is larger than the sum of its proper divisors (33226920).

44040004 is a wasteful number, since it uses less digits than its factorization.

44040004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28134 (or 28132 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 44040004 is about 6636.2643105892. The cubic root of 44040004 is about 353.1417920748.

Adding to 44040004 its reverse (40004044), we get a palindrome (84044048).

The spelling of 44040004 in words is "forty-four million, forty thousand, four", and thus it is an eban number.