40006711 has 4 divisors (see below), whose sum is σ = 40055800. Its totient is φ = 39957624.

The previous prime is 40006699. The next prime is 40006717. The reversal of 40006711 is 11760004.

It is a happy number.

40006711 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40006711 - 2⁹ = 40006199 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 (40006717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23301 + ... + 24958.

It is an arithmetic number, because the mean of its divisors is an integer number (10013950).

Almost surely, 2^40006711 is an apocalyptic number.

40006711 is a deficient number, since it is larger than the sum of its proper divisors (49089).

40006711 is an equidigital number, since it uses as much as digits as its factorization.

40006711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49088.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 40006711 is about 6325.0858492198. The cubic root of 40006711 is about 342.0143143468.

Adding to 40006711 its reverse (11760004), we get a palindrome (51766715).

The spelling of 40006711 in words is "forty million, six thousand, seven hundred eleven".