40079639599 has 2 divisors, whose sum is σ = 40079639600. Its totient is φ = 40079639598.

The previous prime is 40079639543. The next prime is 40079639629. The reversal of 40079639599 is 99593697004.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40079639599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40079639539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20039819799 + 20039819800.

It is an arithmetic number, because the mean of its divisors is an integer number (20039819800).

Almost surely, 2^40079639599 is an apocalyptic number.

40079639599 is a deficient number, since it is larger than the sum of its proper divisors (1).

40079639599 is an equidigital number, since it uses as much as digits as its factorization.

40079639599 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16533720, while the sum is 61.

The spelling of 40079639599 in words is "forty billion, seventy-nine million, six hundred thirty-nine thousand, five hundred ninety-nine".