40662369 has 12 divisors (see below), whose sum is σ = 64074192. Its totient is φ = 24643800.

The previous prime is 40662361. The next prime is 40662389. The reversal of 40662369 is 96326604.

40662369 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40662369 - 2³ = 40662361 is a prime.

It is a super-2 number, since 2×40662369² = 3306856505384322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40662361) 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 11 ways as a sum of consecutive naturals, for example, 205267 + ... + 205464.

It is an arithmetic number, because the mean of its divisors is an integer number (5339516).

Almost surely, 2^40662369 is an apocalyptic number.

It is an amenable number.

40662369 is a deficient number, since it is larger than the sum of its proper divisors (23411823).

40662369 is a wasteful number, since it uses less digits than its factorization.

40662369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410748 (or 410745 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 40662369 is about 6376.7051837136. The cubic root of 40662369 is about 343.8725894886.

The spelling of 40662369 in words is "forty million, six hundred sixty-two thousand, three hundred sixty-nine".