444164043 has 4 divisors (see below), whose sum is σ = 592218728. Its totient is φ = 296109360.

The previous prime is 444164027. The next prime is 444164051. The reversal of 444164043 is 340461444.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 444164043 - 2⁴ = 444164027 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 444164043.

It is not an unprimeable number, because it can be changed into a prime (444166043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74027338 + ... + 74027343.

It is an arithmetic number, because the mean of its divisors is an integer number (148054682).

Almost surely, 2^444164043 is an apocalyptic number.

444164043 is a deficient number, since it is larger than the sum of its proper divisors (148054685).

444164043 is a wasteful number, since it uses less digits than its factorization.

444164043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148054684.

The product of its (nonzero) digits is 18432, while the sum is 30.

The square root of 444164043 is about 21075.1997143562. The cubic root of 444164043 is about 762.9823048423.

The spelling of 444164043 in words is "four hundred forty-four million, one hundred sixty-four thousand, forty-three".