40255348349 has 2 divisors, whose sum is σ = 40255348350. Its totient is φ = 40255348348.

The previous prime is 40255348223. The next prime is 40255348409. The reversal of 40255348349 is 94384355204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40117285849 + 138062500 = 200293^2 + 11750^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40255348349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40255345349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20127674174 + 20127674175.

It is an arithmetic number, because the mean of its divisors is an integer number (20127674175).

Almost surely, 2^40255348349 is an apocalyptic number.

It is an amenable number.

40255348349 is a deficient number, since it is larger than the sum of its proper divisors (1).

40255348349 is an equidigital number, since it uses as much as digits as its factorization.

40255348349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2073600, while the sum is 47.

The spelling of 40255348349 in words is "forty billion, two hundred fifty-five million, three hundred forty-eight thousand, three hundred forty-nine".