444020402 has 16 divisors (see below), whose sum is σ = 761525952. Its totient is φ = 190207440.

The previous prime is 444020389. The next prime is 444020407. The reversal of 444020402 is 204020444.

It is not an unprimeable number, because it can be changed into a prime (444020407) 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, 31652 + ... + 43472.

It is an arithmetic number, because the mean of its divisors is an integer number (47595372).

Almost surely, 2^444020402 is an apocalyptic number.

444020402 is a deficient number, since it is larger than the sum of its proper divisors (317505550).

444020402 is a wasteful number, since it uses less digits than its factorization.

444020402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14513.

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 444020402 is about 21071.7916181800. The cubic root of 444020402 is about 762.9000474276.

Adding to 444020402 its reverse (204020444), we get a palindrome (648040846).

It can be divided in two parts, 4440 and 20402, that added together give a palindrome (24842).

The spelling of 444020402 in words is "four hundred forty-four million, twenty thousand, four hundred two".