40816583 has 2 divisors, whose sum is σ = 40816584. Its totient is φ = 40816582.

The previous prime is 40816577. The next prime is 40816619. The reversal of 40816583 is 38561804.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40816583 - 2¹² = 40812487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40836583) 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, 20408291 + 20408292.

It is an arithmetic number, because the mean of its divisors is an integer number (20408292).

Almost surely, 2^40816583 is an apocalyptic number.

40816583 is a deficient number, since it is larger than the sum of its proper divisors (1).

40816583 is an equidigital number, since it uses as much as digits as its factorization.

40816583 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 40816583 is about 6388.7857218723. The cubic root of 40816583 is about 344.3067588868.

The spelling of 40816583 in words is "forty million, eight hundred sixteen thousand, five hundred eighty-three".