444323130 has 16 divisors (see below), whose sum is σ = 1066375584. Its totient is φ = 118486160.

The previous prime is 444323129. The next prime is 444323137. The reversal of 444323130 is 31323444.

It is a self number, because there is not a number n which added to its sum of digits gives 444323130.

It is not an unprimeable number, because it can be changed into a prime (444323137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7405356 + ... + 7405415.

It is an arithmetic number, because the mean of its divisors is an integer number (66648474).

Almost surely, 2^444323130 is an apocalyptic number.

444323130 is an abundant number, since it is smaller than the sum of its proper divisors (622052454).

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

444323130 is a wasteful number, since it uses less digits than its factorization.

444323130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14810781.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 444323130 is about 21078.9736467410. The cubic root of 444323130 is about 763.0733868641.

Adding to 444323130 its reverse (31323444), we get a palindrome (475646574).

The spelling of 444323130 in words is "four hundred forty-four million, three hundred twenty-three thousand, one hundred thirty".