401216074071 has 16 divisors (see below), whose sum is σ = 543447350400. Its totient is φ = 263238563808.

The previous prime is 401216074037. The next prime is 401216074081. The reversal of 401216074071 is 170470612104.

It is not a de Polignac number, because 401216074071 - 2²² = 401211879767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401216074081) 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, 718761 + ... + 1148498.

It is an arithmetic number, because the mean of its divisors is an integer number (33965459400).

Almost surely, 2^401216074071 is an apocalyptic number.

401216074071 is a deficient number, since it is larger than the sum of its proper divisors (142231276329).

401216074071 is a wasteful number, since it uses less digits than its factorization.

401216074071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1868398.

The product of its (nonzero) digits is 9408, while the sum is 33.

Adding to 401216074071 its reverse (170470612104), we get a palindrome (571686686175).

The spelling of 401216074071 in words is "four hundred one billion, two hundred sixteen million, seventy-four thousand, seventy-one".