43044404 has 24 divisors (see below), whose sum is σ = 81561480. Its totient is φ = 19759104.

The previous prime is 43044371. The next prime is 43044409. The reversal of 43044404 is 40444034.

It can be written as a sum of positive squares in 4 ways, for example, as 4579600 + 38464804 = 2140^2 + 6202^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 43044404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43044409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7892 + ... + 12180.

It is an arithmetic number, because the mean of its divisors is an integer number (3398395).

Almost surely, 2^43044404 is an apocalyptic number.

It is an amenable number.

43044404 is a deficient number, since it is larger than the sum of its proper divisors (38517076).

43044404 is a wasteful number, since it uses less digits than its factorization.

43044404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4499 (or 4497 counting only the distinct ones).

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

The square root of 43044404 is about 6560.8234239309. The cubic root of 43044404 is about 350.4603574884.

Adding to 43044404 its reverse (40444034), we get a palindrome (83488438).

The spelling of 43044404 in words is "forty-three million, forty-four thousand, four hundred four".