444040130 has 8 divisors (see below), whose sum is σ = 799272252. Its totient is φ = 177616048.

The previous prime is 444040099. The next prime is 444040147. The reversal of 444040130 is 31040444.

It can be written as a sum of positive squares in 2 ways, for example, as 395333689 + 48706441 = 19883^2 + 6979^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22201997 + ... + 22202016.

Almost surely, 2^444040130 is an apocalyptic number.

444040130 is a deficient number, since it is larger than the sum of its proper divisors (355232122).

444040130 is a wasteful number, since it uses less digits than its factorization.

444040130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44404020.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 444040130 is about 21072.2597269491. The cubic root of 444040130 is about 762.9113459094.

Adding to 444040130 its reverse (31040444), we get a palindrome (475080574).

The spelling of 444040130 in words is "four hundred forty-four million, forty thousand, one hundred thirty".