444020411 has 4 divisors (see below), whose sum is σ = 445926312. Its totient is φ = 442114512.

The previous prime is 444020407. The next prime is 444020413. The reversal of 444020411 is 114020444.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 444020411 - 2² = 444020407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444020413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 952601 + ... + 953066.

It is an arithmetic number, because the mean of its divisors is an integer number (111481578).

Almost surely, 2^444020411 is an apocalyptic number.

444020411 is a deficient number, since it is larger than the sum of its proper divisors (1905901).

444020411 is a wasteful number, since it uses less digits than its factorization.

444020411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1905900.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 444020411 is about 21071.7918317356. The cubic root of 444020411 is about 762.9000525821.

Adding to 444020411 its reverse (114020444), we get a palindrome (558040855).

The spelling of 444020411 in words is "four hundred forty-four million, twenty thousand, four hundred eleven".