40617278263 has 2 divisors, whose sum is σ = 40617278264. Its totient is φ = 40617278262.

The previous prime is 40617278173. The next prime is 40617278279. The reversal of 40617278263 is 36287271604.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40617278263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40617228263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20308639131 + 20308639132.

It is an arithmetic number, because the mean of its divisors is an integer number (20308639132).

Almost surely, 2^40617278263 is an apocalyptic number.

40617278263 is a deficient number, since it is larger than the sum of its proper divisors (1).

40617278263 is an equidigital number, since it uses as much as digits as its factorization.

40617278263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 677376, while the sum is 46.

The spelling of 40617278263 in words is "forty billion, six hundred seventeen million, two hundred seventy-eight thousand, two hundred sixty-three".