40571117 has 4 divisors (see below), whose sum is σ = 40637280. Its totient is φ = 40504956.

The previous prime is 40571101. The next prime is 40571131. The reversal of 40571117 is 71117504.

40571117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40571117 - 2⁴ = 40571101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40571177) 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 3 ways as a sum of consecutive naturals, for example, 32153 + ... + 33390.

It is an arithmetic number, because the mean of its divisors is an integer number (10159320).

Almost surely, 2^40571117 is an apocalyptic number.

It is an amenable number.

40571117 is a deficient number, since it is larger than the sum of its proper divisors (66163).

40571117 is an equidigital number, since it uses as much as digits as its factorization.

40571117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66162.

The product of its (nonzero) digits is 980, while the sum is 26.

The square root of 40571117 is about 6369.5460591788. The cubic root of 40571117 is about 343.6151642196.

The spelling of 40571117 in words is "forty million, five hundred seventy-one thousand, one hundred seventeen".