40811371 has 2 divisors, whose sum is σ = 40811372. Its totient is φ = 40811370.

The previous prime is 40811363. The next prime is 40811383. The reversal of 40811371 is 17311804.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40811371 - 2³ = 40811363 is a prime.

It is not a weakly prime, because it can be changed into another prime (40811311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20405685 + 20405686.

It is an arithmetic number, because the mean of its divisors is an integer number (20405686).

Almost surely, 2^40811371 is an apocalyptic number.

40811371 is a deficient number, since it is larger than the sum of its proper divisors (1).

40811371 is an equidigital number, since it uses as much as digits as its factorization.

40811371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 40811371 is about 6388.3778066110. The cubic root of 40811371 is about 344.2921030526.

The spelling of 40811371 in words is "forty million, eight hundred eleven thousand, three hundred seventy-one".