40836511 has 4 divisors (see below), whose sum is σ = 41506024. Its totient is φ = 40167000.

The previous prime is 40836503. The next prime is 40836527. The reversal of 40836511 is 11563804.

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 40836511 - 2³ = 40836503 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40836511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40836571) 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 3 ways as a sum of consecutive naturals, for example, 334665 + ... + 334786.

It is an arithmetic number, because the mean of its divisors is an integer number (10376506).

Almost surely, 2^40836511 is an apocalyptic number.

40836511 is a deficient number, since it is larger than the sum of its proper divisors (669513).

40836511 is an equidigital number, since it uses as much as digits as its factorization.

40836511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669512.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 40836511 is about 6390.3451393489. The cubic root of 40836511 is about 344.3627837362.

The spelling of 40836511 in words is "forty million, eight hundred thirty-six thousand, five hundred eleven".