40686726211 has 16 divisors (see below), whose sum is σ = 43115781600. Its totient is φ = 38335806208.

The previous prime is 40686726181. The next prime is 40686726233. The reversal of 40686726211 is 11262768604.

It is not a de Polignac number, because 40686726211 - 2²⁹ = 40149855299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40686726251) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 147621 + ... + 321193.

It is an arithmetic number, because the mean of its divisors is an integer number (2694736350).

Almost surely, 2^40686726211 is an apocalyptic number.

40686726211 is a deficient number, since it is larger than the sum of its proper divisors (2429055389).

40686726211 is a wasteful number, since it uses less digits than its factorization.

40686726211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173798.

The product of its (nonzero) digits is 193536, while the sum is 43.

The spelling of 40686726211 in words is "forty billion, six hundred eighty-six million, seven hundred twenty-six thousand, two hundred eleven".