43444428 has 12 divisors (see below), whose sum is σ = 101370360. Its totient is φ = 14481472.

The previous prime is 43444397. The next prime is 43444433. The reversal of 43444428 is 82444434.

43444428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 1810173 + ... + 1810196.

It is an arithmetic number, because the mean of its divisors is an integer number (8447530).

Almost surely, 2^43444428 is an apocalyptic number.

It is an amenable number.

43444428 is an abundant number, since it is smaller than the sum of its proper divisors (57925932).

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

43444428 is a wasteful number, since it uses less digits than its factorization.

43444428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3620376 (or 3620374 counting only the distinct ones).

The product of its digits is 49152, while the sum is 33.

The square root of 43444428 is about 6591.2387303147. The cubic root of 43444428 is about 351.5426545756.

The spelling of 43444428 in words is "forty-three million, four hundred forty-four thousand, four hundred twenty-eight".