40112873 has 2 divisors, whose sum is σ = 40112874. Its totient is φ = 40112872.

The previous prime is 40112869. The next prime is 40112879. The reversal of 40112873 is 37821104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39037504 + 1075369 = 6248^2 + 1037^2 .

It is a cyclic number.

It is not a de Polignac number, because 40112873 - 2² = 40112869 is a prime.

It is not a weakly prime, because it can be changed into another prime (40112879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20056436 + 20056437.

It is an arithmetic number, because the mean of its divisors is an integer number (20056437).

Almost surely, 2^40112873 is an apocalyptic number.

It is an amenable number.

40112873 is a deficient number, since it is larger than the sum of its proper divisors (1).

40112873 is an equidigital number, since it uses as much as digits as its factorization.

40112873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 40112873 is about 6333.4724282971. The cubic root of 40112873 is about 342.3165707556.

Adding to 40112873 its reverse (37821104), we get a palindrome (77933977).

The spelling of 40112873 in words is "forty million, one hundred twelve thousand, eight hundred seventy-three".