401444443 has 4 divisors (see below), whose sum is σ = 425058840. Its totient is φ = 377830048.

The previous prime is 401444429. The next prime is 401444467. The reversal of 401444443 is 344444104.

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 401444443 - 2⁵ = 401444411 is a prime.

It is a super-2 number, since 2×401444443² = 322315281631160498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401444423) 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, 11807173 + ... + 11807206.

It is an arithmetic number, because the mean of its divisors is an integer number (106264710).

Almost surely, 2^401444443 is an apocalyptic number.

401444443 is a deficient number, since it is larger than the sum of its proper divisors (23614397).

401444443 is a wasteful number, since it uses less digits than its factorization.

401444443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23614396.

The product of its (nonzero) digits is 12288, while the sum is 28.

The square root of 401444443 is about 20036.0785334855. The cubic root of 401444443 is about 737.6921298912.

Adding to 401444443 its reverse (344444104), we get a palindrome (745888547).

The spelling of 401444443 in words is "four hundred one million, four hundred forty-four thousand, four hundred forty-three".