43444004 has 6 divisors (see below), whose sum is σ = 76027014. Its totient is φ = 21722000.

The previous prime is 43444003. The next prime is 43444007. The reversal of 43444004 is 40044434.

43444004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 38812900 + 4631104 = 6230^2 + 2152^2 .

It is not an unprimeable number, because it can be changed into a prime (43444003) 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 as a sum of consecutive naturals, namely, 5430497 + ... + 5430504.

It is an arithmetic number, because the mean of its divisors is an integer number (12671169).

Almost surely, 2^43444004 is an apocalyptic number.

It is an amenable number.

43444004 is a deficient number, since it is larger than the sum of its proper divisors (32583010).

43444004 is a wasteful number, since it uses less digits than its factorization.

43444004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10861005 (or 10861003 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 43444004 is about 6591.2065663276. The cubic root of 43444004 is about 351.5415109339.

Adding to 43444004 its reverse (40044434), we get a palindrome (83488438).

The spelling of 43444004 in words is "forty-three million, four hundred forty-four thousand, four".