444072426 has 16 divisors (see below), whose sum is σ = 1015022784. Its totient is φ = 126877824.

The previous prime is 444072407. The next prime is 444072437. The reversal of 444072426 is 624270444.

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 7 ways as a sum of consecutive naturals, for example, 5286535 + ... + 5286618.

It is an arithmetic number, because the mean of its divisors is an integer number (63438924).

Almost surely, 2^444072426 is an apocalyptic number.

444072426 is an abundant number, since it is smaller than the sum of its proper divisors (570950358).

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

444072426 is a wasteful number, since it uses less digits than its factorization.

444072426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10573165.

The product of its (nonzero) digits is 43008, while the sum is 33.

The square root of 444072426 is about 21073.0260285513. The cubic root of 444072426 is about 762.9298415256.

The spelling of 444072426 in words is "four hundred forty-four million, seventy-two thousand, four hundred twenty-six".