401434443 has 24 divisors (see below), whose sum is σ = 601164720. Its totient is φ = 257826240.

The previous prime is 401434409. The next prime is 401434477. The reversal of 401434443 is 344434104.

It is an interprime number because it is at equal distance from previous prime (401434409) and next prime (401434477).

It is not a de Polignac number, because 401434443 - 2⁹ = 401433931 is a prime.

It is a super-2 number, since 2×401434443² = 322299224053440498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401434493) 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 23 ways as a sum of consecutive naturals, for example, 139780 + ... + 142622.

It is an arithmetic number, because the mean of its divisors is an integer number (25048530).

Almost surely, 2^401434443 is an apocalyptic number.

401434443 is a deficient number, since it is larger than the sum of its proper divisors (199730277).

401434443 is a wasteful number, since it uses less digits than its factorization.

401434443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3419 (or 3416 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 401434443 is about 20035.8289821010. The cubic root of 401434443 is about 737.6860045251.

Adding to 401434443 its reverse (344434104), we get a palindrome (745868547).

The spelling of 401434443 in words is "four hundred one million, four hundred thirty-four thousand, four hundred forty-three".