40875109 has 16 divisors (see below), whose sum is σ = 45714240. Its totient is φ = 36236160.

The previous prime is 40875083. The next prime is 40875139. The reversal of 40875109 is 90157804.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 40875109 - 2¹⁵ = 40842341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40875139) 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, 87294 + ... + 87760.

It is an arithmetic number, because the mean of its divisors is an integer number (2857140).

Almost surely, 2^40875109 is an apocalyptic number.

It is an amenable number.

40875109 is a deficient number, since it is larger than the sum of its proper divisors (4839131).

40875109 is a wasteful number, since it uses less digits than its factorization.

40875109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 40875109 is about 6393.3644507411. The cubic root of 40875109 is about 344.4712449220.

The spelling of 40875109 in words is "forty million, eight hundred seventy-five thousand, one hundred nine".