40227129 has 6 divisors (see below), whose sum is σ = 58105866. Its totient is φ = 26818080.

The previous prime is 40227107. The next prime is 40227163. The reversal of 40227129 is 92172204.

40227129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 39501225 + 725904 = 6285^2 + 852^2 .

It is not a de Polignac number, because 40227129 - 2¹⁵ = 40194361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40227179) 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 5 ways as a sum of consecutive naturals, for example, 2234832 + ... + 2234849.

It is an arithmetic number, because the mean of its divisors is an integer number (9684311).

Almost surely, 2^40227129 is an apocalyptic number.

It is an amenable number.

40227129 is a deficient number, since it is larger than the sum of its proper divisors (17878737).

40227129 is a wasteful number, since it uses less digits than its factorization.

40227129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4469687 (or 4469684 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 40227129 is about 6342.4860267879. The cubic root of 40227129 is about 342.6412765425.

The spelling of 40227129 in words is "forty million, two hundred twenty-seven thousand, one hundred twenty-nine".