40012231163 has 4 divisors (see below), whose sum is σ = 40013646120. Its totient is φ = 40010816208.

The previous prime is 40012231073. The next prime is 40012231177. The reversal of 40012231163 is 36113221004.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40012231163 - 2¹² = 40012227067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40012231183) 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 3 ways as a sum of consecutive naturals, for example, 664178 + ... + 721911.

It is an arithmetic number, because the mean of its divisors is an integer number (10003411530).

Almost surely, 2^40012231163 is an apocalyptic number.

40012231163 is a deficient number, since it is larger than the sum of its proper divisors (1414957).

40012231163 is a wasteful number, since it uses less digits than its factorization.

40012231163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1414956.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 40012231163 its reverse (36113221004), we get a palindrome (76125452167).

The spelling of 40012231163 in words is "forty billion, twelve million, two hundred thirty-one thousand, one hundred sixty-three".