40434703022257 has 2 divisors, whose sum is σ = 40434703022258. Its totient is φ = 40434703022256.

The previous prime is 40434703022239. The next prime is 40434703022501. The reversal of 40434703022257 is 75222030743404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38623751469601 + 1810951552656 = 6214801^2 + 1345716^2 .

It is a cyclic number.

It is not a de Polignac number, because 40434703022257 - 2²⁷ = 40434568804529 is a prime.

It is not a weakly prime, because it can be changed into another prime (40434703022227) 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, 20217351511128 + 20217351511129.

It is an arithmetic number, because the mean of its divisors is an integer number (20217351511129).

Almost surely, 2^{40434703022257} is an apocalyptic number.

It is an amenable number.

40434703022257 is a deficient number, since it is larger than the sum of its proper divisors (1).

40434703022257 is an equidigital number, since it uses as much as digits as its factorization.

40434703022257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1128960, while the sum is 43.

The spelling of 40434703022257 in words is "forty trillion, four hundred thirty-four billion, seven hundred three million, twenty-two thousand, two hundred fifty-seven".