40605255311 has 4 divisors (see below), whose sum is σ = 40915219224. Its totient is φ = 40295291400.

The previous prime is 40605255241. The next prime is 40605255337. The reversal of 40605255311 is 11355250604.

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 40605255311 - 2²⁶ = 40538146447 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 (40605255371) 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, 154981760 + ... + 154982021.

It is an arithmetic number, because the mean of its divisors is an integer number (10228804806).

Almost surely, 2^40605255311 is an apocalyptic number.

40605255311 is a deficient number, since it is larger than the sum of its proper divisors (309963913).

40605255311 is a wasteful number, since it uses less digits than its factorization.

40605255311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309963912.

The product of its (nonzero) digits is 18000, while the sum is 32.

The spelling of 40605255311 in words is "forty billion, six hundred five million, two hundred fifty-five thousand, three hundred eleven".