444040430 has 8 divisors (see below), whose sum is σ = 799272792. Its totient is φ = 177616168.

The previous prime is 444040417. The next prime is 444040439. The reversal of 444040430 is 34040444.

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

It is a junction number, because it is equal to n+sod(n) for n = 444040396 and 444040405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444040439) 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 3 ways as a sum of consecutive naturals, for example, 22202012 + ... + 22202031.

It is an arithmetic number, because the mean of its divisors is an integer number (99909099).

Almost surely, 2^444040430 is an apocalyptic number.

444040430 is a deficient number, since it is larger than the sum of its proper divisors (355232362).

444040430 is a wasteful number, since it uses less digits than its factorization.

444040430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44404050.

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 444040430 is about 21072.2668453112. The cubic root of 444040430 is about 762.9115177207.

Adding to 444040430 its reverse (34040444), we get a palindrome (478080874).

The spelling of 444040430 in words is "four hundred forty-four million, forty thousand, four hundred thirty".