444389042 has 16 divisors (see below), whose sum is σ = 681512832. Its totient is φ = 217228560.

The previous prime is 444389041. The next prime is 444389051. The reversal of 444389042 is 240983444.

It is a junction number, because it is equal to n+sod(n) for n = 444388987 and 444389005.

It is not an unprimeable number, because it can be changed into a prime (444389041) 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 7 ways as a sum of consecutive naturals, for example, 109013 + ... + 113015.

It is an arithmetic number, because the mean of its divisors is an integer number (42594552).

Almost surely, 2^444389042 is an apocalyptic number.

444389042 is a deficient number, since it is larger than the sum of its proper divisors (237123790).

444389042 is a wasteful number, since it uses less digits than its factorization.

444389042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5233.

The product of its (nonzero) digits is 110592, while the sum is 38.

The square root of 444389042 is about 21080.5370424949. The cubic root of 444389042 is about 763.1111170676. Note that the first 5 decimals are identical.

The spelling of 444389042 in words is "four hundred forty-four million, three hundred eighty-nine thousand, forty-two".