401816013867 has 48 divisors (see below), whose sum is σ = 603271618560. Its totient is φ = 257580691200.

The previous prime is 401816013827. The next prime is 401816013889. The reversal of 401816013867 is 768310618104.

401816013867 is a `hidden beast` number, since 4 + 0 + 1 + 8 + 1 + 601 + 38 + 6 + 7 = 666.

401816013867 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 401816013867 - 2²⁰ = 401814965291 is a prime.

It is a super-2 number, since 2×401816013867² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401816013817) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4746067 + ... + 4829987.

It is an arithmetic number, because the mean of its divisors is an integer number (12568158720).

Almost surely, 2^401816013867 is an apocalyptic number.

401816013867 is a deficient number, since it is larger than the sum of its proper divisors (201455604693).

401816013867 is a wasteful number, since it uses less digits than its factorization.

401816013867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84184 (or 84181 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The spelling of 401816013867 in words is "four hundred one billion, eight hundred sixteen million, thirteen thousand, eight hundred sixty-seven".