40662011 has 24 divisors (see below), whose sum is σ = 47449920. Its totient is φ = 34624512.

The previous prime is 40661993. The next prime is 40662019. The reversal of 40662011 is 11026604.

It is a happy number.

It is not a de Polignac number, because 40662011 - 2⁶ = 40661947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40662019) 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 23 ways as a sum of consecutive naturals, for example, 296735 + ... + 296871.

It is an arithmetic number, because the mean of its divisors is an integer number (1977080).

Almost surely, 2^40662011 is an apocalyptic number.

40662011 is a deficient number, since it is larger than the sum of its proper divisors (6787909).

40662011 is a wasteful number, since it uses less digits than its factorization.

40662011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263 (or 246 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 40662011 is about 6376.6771127289. The cubic root of 40662011 is about 343.8715803102.

Adding to 40662011 its reverse (11026604), we get a palindrome (51688615).

The spelling of 40662011 in words is "forty million, six hundred sixty-two thousand, eleven".