40646467 has 2 divisors, whose sum is σ = 40646468. Its totient is φ = 40646466.

The previous prime is 40646449. The next prime is 40646471. The reversal of 40646467 is 76464604.

40646467 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40646467 - 2²³ = 32257859 is a prime.

It is not a weakly prime, because it can be changed into another prime (40646447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20323233 + 20323234.

It is an arithmetic number, because the mean of its divisors is an integer number (20323234).

Almost surely, 2^40646467 is an apocalyptic number.

40646467 is a deficient number, since it is larger than the sum of its proper divisors (1).

40646467 is an equidigital number, since it uses as much as digits as its factorization.

40646467 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 37.

The square root of 40646467 is about 6375.4581796134. The cubic root of 40646467 is about 343.8277570875.

The spelling of 40646467 in words is "forty million, six hundred forty-six thousand, four hundred sixty-seven".