40465697 has 2 divisors, whose sum is σ = 40465698. Its totient is φ = 40465696.

The previous prime is 40465693. The next prime is 40465721. The reversal of 40465697 is 79656404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29149201 + 11316496 = 5399^2 + 3364^2 .

It is a cyclic number.

It is not a de Polignac number, because 40465697 - 2² = 40465693 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40465693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20232848 + 20232849.

It is an arithmetic number, because the mean of its divisors is an integer number (20232849).

Almost surely, 2^40465697 is an apocalyptic number.

It is an amenable number.

40465697 is a deficient number, since it is larger than the sum of its proper divisors (1).

40465697 is an equidigital number, since it uses as much as digits as its factorization.

40465697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 40465697 is about 6361.2653615456. The cubic root of 40465697 is about 343.3172894965.

The spelling of 40465697 in words is "forty million, four hundred sixty-five thousand, six hundred ninety-seven".