40546165506013 has 4 divisors (see below), whose sum is σ = 42309042267168. Its totient is φ = 38783288744860.

The previous prime is 40546165505999. The next prime is 40546165506019. The reversal of 40546165506013 is 31060556164504.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40546165506013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40546165506019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 881438380543 + ... + 881438380588.

It is an arithmetic number, because the mean of its divisors is an integer number (10577260566792).

Almost surely, 2^{40546165506013} is an apocalyptic number.

It is an amenable number.

40546165506013 is a deficient number, since it is larger than the sum of its proper divisors (1762876761155).

40546165506013 is a wasteful number, since it uses less digits than its factorization.

40546165506013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1762876761154.

The product of its (nonzero) digits is 1296000, while the sum is 46.

The spelling of 40546165506013 in words is "forty trillion, five hundred forty-six billion, one hundred sixty-five million, five hundred six thousand, thirteen".