40271666 has 24 divisors (see below), whose sum is σ = 65204352. Its totient is φ = 18618600.

The previous prime is 40271663. The next prime is 40271677. The reversal of 40271666 is 66617204.

It is a super-3 number, since 3×40271666³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40271663) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43751 + ... + 44661.

It is an arithmetic number, because the mean of its divisors is an integer number (2716848).

Almost surely, 2^40271666 is an apocalyptic number.

40271666 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

40271666 is a deficient number, since it is larger than the sum of its proper divisors (24932686).

40271666 is a wasteful number, since it uses less digits than its factorization.

40271666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998 (or 967 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 40271666 is about 6345.9960605093. The cubic root of 40271666 is about 342.7676803455.

The spelling of 40271666 in words is "forty million, two hundred seventy-one thousand, six hundred sixty-six".