444328530 has 16 divisors (see below), whose sum is σ = 1066388544. Its totient is φ = 118487600.

The previous prime is 444328481. The next prime is 444328531. The reversal of 444328530 is 35823444.

It is a junction number, because it is equal to n+sod(n) for n = 444328491 and 444328500.

It is not an unprimeable number, because it can be changed into a prime (444328531) 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, 7405446 + ... + 7405505.

It is an arithmetic number, because the mean of its divisors is an integer number (66649284).

Almost surely, 2^444328530 is an apocalyptic number.

444328530 is an abundant number, since it is smaller than the sum of its proper divisors (622060014).

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

444328530 is a wasteful number, since it uses less digits than its factorization.

444328530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14810961.

The product of its (nonzero) digits is 46080, while the sum is 33.

The square root of 444328530 is about 21079.1017360797. The cubic root of 444328530 is about 763.0764781426.

The spelling of 444328530 in words is "four hundred forty-four million, three hundred twenty-eight thousand, five hundred thirty".