40981078079 has 2 divisors, whose sum is σ = 40981078080. Its totient is φ = 40981078078.

The previous prime is 40981078031. The next prime is 40981078081. The reversal of 40981078079 is 97087018904.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40981078079 - 2²⁸ = 40712642623 is a prime.

Together with 40981078081, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40981078079.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40981078279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20490539039 + 20490539040.

It is an arithmetic number, because the mean of its divisors is an integer number (20490539040).

Almost surely, 2^40981078079 is an apocalyptic number.

40981078079 is a deficient number, since it is larger than the sum of its proper divisors (1).

40981078079 is an equidigital number, since it uses as much as digits as its factorization.

40981078079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1016064, while the sum is 53.

The spelling of 40981078079 in words is "forty billion, nine hundred eighty-one million, seventy-eight thousand, seventy-nine".