40680097 has 4 divisors (see below), whose sum is σ = 41447700. Its totient is φ = 39912496.

The previous prime is 40680049. The next prime is 40680103. The reversal of 40680097 is 79008604.

40680097 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21939856 + 18740241 = 4684^2 + 4329^2 .

It is a cyclic number.

It is not a de Polignac number, because 40680097 - 2¹¹ = 40678049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40680037) 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 in 3 ways as a sum of consecutive naturals, for example, 383722 + ... + 383827.

It is an arithmetic number, because the mean of its divisors is an integer number (10361925).

Almost surely, 2^40680097 is an apocalyptic number.

It is an amenable number.

40680097 is a deficient number, since it is larger than the sum of its proper divisors (767603).

40680097 is an equidigital number, since it uses as much as digits as its factorization.

40680097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767602.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 40680097 is about 6378.0950917966. The cubic root of 40680097 is about 343.9225561424.

The spelling of 40680097 in words is "forty million, six hundred eighty thousand, ninety-seven".