401433441 has 8 divisors (see below), whose sum is σ = 536736960. Its totient is φ = 266876112.

The previous prime is 401433391. The next prime is 401433443. The reversal of 401433441 is 144334104.

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

It is not a de Polignac number, because 401433441 - 2⁶ = 401433377 is a prime.

It is a super-2 number, since 2×401433441² = 322297615106200962, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401433443) 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, 185290 + ... + 187443.

It is an arithmetic number, because the mean of its divisors is an integer number (67092120).

Almost surely, 2^401433441 is an apocalyptic number.

It is an amenable number.

401433441 is a deficient number, since it is larger than the sum of its proper divisors (135303519).

401433441 is a wasteful number, since it uses less digits than its factorization.

401433441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373095.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 401433441 is about 20035.8039768810. The cubic root of 401433441 is about 737.6853907578.

Adding to 401433441 its reverse (144334104), we get a palindrome (545767545).

The spelling of 401433441 in words is "four hundred one million, four hundred thirty-three thousand, four hundred forty-one".