40512067 has 2 divisors, whose sum is σ = 40512068. Its totient is φ = 40512066.

The previous prime is 40512049. The next prime is 40512079. The reversal of 40512067 is 76021504.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40512067 is a prime.

It is a super-2 number, since 2×40512067² = 3282455145224978, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40512467) 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, 20256033 + 20256034.

It is an arithmetic number, because the mean of its divisors is an integer number (20256034).

Almost surely, 2^40512067 is an apocalyptic number.

40512067 is a deficient number, since it is larger than the sum of its proper divisors (1).

40512067 is an equidigital number, since it uses as much as digits as its factorization.

40512067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 40512067 is about 6364.9090331284. The cubic root of 40512067 is about 343.4483762107.

The spelling of 40512067 in words is "forty million, five hundred twelve thousand, sixty-seven".