40582943 has 2 divisors, whose sum is σ = 40582944. Its totient is φ = 40582942.

The previous prime is 40582939. The next prime is 40582951. The reversal of 40582943 is 34928504.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40582943 - 2² = 40582939 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40582643) 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, 20291471 + 20291472.

It is an arithmetic number, because the mean of its divisors is an integer number (20291472).

Almost surely, 2^40582943 is an apocalyptic number.

40582943 is a deficient number, since it is larger than the sum of its proper divisors (1).

40582943 is an equidigital number, since it uses as much as digits as its factorization.

40582943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 40582943 is about 6370.4743151511. The cubic root of 40582943 is about 343.6485475595.

The spelling of 40582943 in words is "forty million, five hundred eighty-two thousand, nine hundred forty-three".