40288097 has 2 divisors, whose sum is σ = 40288098. Its totient is φ = 40288096.

The previous prime is 40288081. The next prime is 40288099. The reversal of 40288097 is 79088204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38427601 + 1860496 = 6199^2 + 1364^2 .

It is a cyclic number.

It is not a de Polignac number, because 40288097 - 2⁴ = 40288081 is a prime.

Together with 40288099, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40288097.

It is not a weakly prime, because it can be changed into another prime (40288099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20144048 + 20144049.

It is an arithmetic number, because the mean of its divisors is an integer number (20144049).

Almost surely, 2^40288097 is an apocalyptic number.

It is an amenable number.

40288097 is a deficient number, since it is larger than the sum of its proper divisors (1).

40288097 is an equidigital number, since it uses as much as digits as its factorization.

40288097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 40288097 is about 6347.2905243104. The cubic root of 40288097 is about 342.8142908663.

The spelling of 40288097 in words is "forty million, two hundred eighty-eight thousand, ninety-seven".