40466897 has 2 divisors, whose sum is σ = 40466898. Its totient is φ = 40466896.

The previous prime is 40466891. The next prime is 40466917. The reversal of 40466897 is 79866404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38390416 + 2076481 = 6196^2 + 1441^2 .

It is a cyclic number.

It is not a de Polignac number, because 40466897 - 2¹⁸ = 40204753 is a prime.

It is not a weakly prime, because it can be changed into another prime (40466891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20233448 + 20233449.

It is an arithmetic number, because the mean of its divisors is an integer number (20233449).

Almost surely, 2^40466897 is an apocalyptic number.

It is an amenable number.

40466897 is a deficient number, since it is larger than the sum of its proper divisors (1).

40466897 is an equidigital number, since it uses as much as digits as its factorization.

40466897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 40466897 is about 6361.3596817033. The cubic root of 40466897 is about 343.3206831254.

The spelling of 40466897 in words is "forty million, four hundred sixty-six thousand, eight hundred ninety-seven".