40670171 has 16 divisors (see below), whose sum is σ = 44778240. Its totient is φ = 36771840.

The previous prime is 40670167. The next prime is 40670173. The reversal of 40670171 is 17107604.

It is a cyclic number.

It is not a de Polignac number, because 40670171 - 2² = 40670167 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40670171.

It is not an unprimeable number, because it can be changed into a prime (40670173) 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, 120515 + ... + 120851.

It is an arithmetic number, because the mean of its divisors is an integer number (2798640).

Almost surely, 2^40670171 is an apocalyptic number.

40670171 is a deficient number, since it is larger than the sum of its proper divisors (4108069).

40670171 is a wasteful number, since it uses less digits than its factorization.

40670171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 40670171 is about 6377.3169123072. The cubic root of 40670171 is about 343.8945813403.

Adding to 40670171 its reverse (17107604), we get a palindrome (57777775).

The spelling of 40670171 in words is "forty million, six hundred seventy thousand, one hundred seventy-one".