40856467 has 2 divisors, whose sum is σ = 40856468. Its totient is φ = 40856466.

The previous prime is 40856449. The next prime is 40856513. The reversal of 40856467 is 76465804.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40856467 - 2⁷ = 40856339 is a prime.

It is not a weakly prime, because it can be changed into another prime (40856867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20428233 + 20428234.

It is an arithmetic number, because the mean of its divisors is an integer number (20428234).

Almost surely, 2^40856467 is an apocalyptic number.

40856467 is a deficient number, since it is larger than the sum of its proper divisors (1).

40856467 is an equidigital number, since it uses as much as digits as its factorization.

40856467 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 40856467 is about 6391.9063666484. The cubic root of 40856467 is about 344.4188690418.

The spelling of 40856467 in words is "forty million, eight hundred fifty-six thousand, four hundred sixty-seven".