40403266297 has 2 divisors, whose sum is σ = 40403266298. Its totient is φ = 40403266296.

The previous prime is 40403266219. The next prime is 40403266307. The reversal of 40403266297 is 79266230404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35336104441 + 5067161856 = 187979^2 + 71184^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40403266297 is a prime.

It is not a weakly prime, because it can be changed into another prime (40403263297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20201633148 + 20201633149.

It is an arithmetic number, because the mean of its divisors is an integer number (20201633149).

Almost surely, 2^40403266297 is an apocalyptic number.

It is an amenable number.

40403266297 is a deficient number, since it is larger than the sum of its proper divisors (1).

40403266297 is an equidigital number, since it uses as much as digits as its factorization.

40403266297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 43.

The spelling of 40403266297 in words is "forty billion, four hundred three million, two hundred sixty-six thousand, two hundred ninety-seven".