40036134164 has 24 divisors (see below), whose sum is σ = 79423911840. Its totient is φ = 17505677664.

The previous prime is 40036134143. The next prime is 40036134191. The reversal of 40036134164 is 46143163004.

It is a self number, because there is not a number n which added to its sum of digits gives 40036134164.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20260214 + ... + 20262189.

It is an arithmetic number, because the mean of its divisors is an integer number (3309329660).

Almost surely, 2^40036134164 is an apocalyptic number.

It is an amenable number.

40036134164 is a deficient number, since it is larger than the sum of its proper divisors (39387777676).

40036134164 is a wasteful number, since it uses less digits than its factorization.

40036134164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40522439 (or 40522437 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 40036134164 its reverse (46143163004), we get a palindrome (86179297168).

The spelling of 40036134164 in words is "forty billion, thirty-six million, one hundred thirty-four thousand, one hundred sixty-four".