40255407761263 has 2 divisors, whose sum is σ = 40255407761264. Its totient is φ = 40255407761262.

The previous prime is 40255407761183. The next prime is 40255407761329. The reversal of 40255407761263 is 36216770455204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40255407761263 - 2⁹ = 40255407760751 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40255407761263.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40255407261263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20127703880631 + 20127703880632.

It is an arithmetic number, because the mean of its divisors is an integer number (20127703880632).

Almost surely, 2^{40255407761263} is an apocalyptic number.

40255407761263 is a deficient number, since it is larger than the sum of its proper divisors (1).

40255407761263 is an equidigital number, since it uses as much as digits as its factorization.

40255407761263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8467200, while the sum is 52.

The spelling of 40255407761263 in words is "forty trillion, two hundred fifty-five billion, four hundred seven million, seven hundred sixty-one thousand, two hundred sixty-three".