40255345349 has 2 divisors, whose sum is σ = 40255345350. Its totient is φ = 40255345348.

The previous prime is 40255345327. The next prime is 40255345357. The reversal of 40255345349 is 94354355204.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31849756225 + 8405589124 = 178465^2 + 91682^2 .

It is a cyclic number.

It is not a de Polignac number, because 40255345349 - 2³² = 35960378053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40255345309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20127672674 + 20127672675.

It is an arithmetic number, because the mean of its divisors is an integer number (20127672675).

Almost surely, 2^40255345349 is an apocalyptic number.

It is an amenable number.

40255345349 is a deficient number, since it is larger than the sum of its proper divisors (1).

40255345349 is an equidigital number, since it uses as much as digits as its factorization.

40255345349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296000, while the sum is 44.

The spelling of 40255345349 in words is "forty billion, two hundred fifty-five million, three hundred forty-five thousand, three hundred forty-nine".