401216074443 has 16 divisors (see below), whose sum is σ = 625678089600. Its totient is φ = 253399625640.

The previous prime is 401216074409. The next prime is 401216074459. The reversal of 401216074443 is 344470612104.

401216074443 is a `hidden beast` number, since 4 + 0 + 1 + 2 + 1 + 607 + 4 + 4 + 43 = 666.

It is not a de Polignac number, because 401216074443 - 2¹² = 401216070347 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 401216074398 and 401216074407.

It is not an unprimeable number, because it can be changed into a prime (401216064443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 391048293 + ... + 391049318.

It is an arithmetic number, because the mean of its divisors is an integer number (39104880600).

Almost surely, 2^401216074443 is an apocalyptic number.

401216074443 is a deficient number, since it is larger than the sum of its proper divisors (224462015157).

401216074443 is a wasteful number, since it uses less digits than its factorization.

401216074443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782097639 (or 782097633 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

Adding to 401216074443 its reverse (344470612104), we get a palindrome (745686686547).

The spelling of 401216074443 in words is "four hundred one billion, two hundred sixteen million, seventy-four thousand, four hundred forty-three".