40806011 has 16 divisors (see below), whose sum is σ = 43473408. Its totient is φ = 38253600.

The previous prime is 40805983. The next prime is 40806019. The reversal of 40806011 is 11060804.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40806011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40806019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123116 + ... + 123446.

It is an arithmetic number, because the mean of its divisors is an integer number (2717088).

Almost surely, 2^40806011 is an apocalyptic number.

40806011 is a deficient number, since it is larger than the sum of its proper divisors (2667397).

40806011 is a wasteful number, since it uses less digits than its factorization.

40806011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 40806011 is about 6387.9582810159. The cubic root of 40806011 is about 344.2770297498.

Adding to 40806011 its reverse (11060804), we get a palindrome (51866815).

The spelling of 40806011 in words is "forty million, eight hundred six thousand, eleven".