40871133 has 6 divisors (see below), whose sum is σ = 59036094. Its totient is φ = 27247416.

The previous prime is 40871107. The next prime is 40871141. The reversal of 40871133 is 33117804.

It can be written as a sum of positive squares in only one way, i.e., 40411449 + 459684 = 6357^2 + 678^2 .

It is a de Polignac number, because none of the positive numbers 2^k-40871133 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40871097 and 40871106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40871183) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2270610 + ... + 2270627.

It is an arithmetic number, because the mean of its divisors is an integer number (9839349).

Almost surely, 2^40871133 is an apocalyptic number.

It is an amenable number.

40871133 is a deficient number, since it is larger than the sum of its proper divisors (18164961).

40871133 is a wasteful number, since it uses less digits than its factorization.

40871133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4541243 (or 4541240 counting only the distinct ones).

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

The square root of 40871133 is about 6393.0534957874. The cubic root of 40871133 is about 344.4600754343.

Adding to 40871133 its reverse (33117804), we get a palindrome (73988937).

The spelling of 40871133 in words is "forty million, eight hundred seventy-one thousand, one hundred thirty-three".