444442501 has 16 divisors (see below), whose sum is σ = 477912960. Its totient is φ = 412276480.

The previous prime is 444442489. The next prime is 444442517. The reversal of 444442501 is 105244444.

It is a cyclic number.

It is not a de Polignac number, because 444442501 - 2⁹ = 444441989 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 444442501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444442571) 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 15 ways as a sum of consecutive naturals, for example, 167481 + ... + 170113.

It is an arithmetic number, because the mean of its divisors is an integer number (29869560).

Almost surely, 2^444442501 is an apocalyptic number.

444442501 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

444442501 is a deficient number, since it is larger than the sum of its proper divisors (33470459).

444442501 is a wasteful number, since it uses less digits than its factorization.

444442501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2876.

The product of its (nonzero) digits is 10240, while the sum is 28.

The square root of 444442501 is about 21081.8049749067. The cubic root of 444442501 is about 763.1417160230.

Adding to 444442501 its reverse (105244444), we get a palindrome (549686945).

The spelling of 444442501 in words is "four hundred forty-four million, four hundred forty-two thousand, five hundred one".