40573516679 has 2 divisors, whose sum is σ = 40573516680. Its totient is φ = 40573516678.

The previous prime is 40573516663. The next prime is 40573516747. The reversal of 40573516679 is 97661537504.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40573516679 - 2⁴ = 40573516663 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40573516679.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40573516609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20286758339 + 20286758340.

It is an arithmetic number, because the mean of its divisors is an integer number (20286758340).

Almost surely, 2^40573516679 is an apocalyptic number.

40573516679 is a deficient number, since it is larger than the sum of its proper divisors (1).

40573516679 is an equidigital number, since it uses as much as digits as its factorization.

40573516679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4762800, while the sum is 53.

The spelling of 40573516679 in words is "forty billion, five hundred seventy-three million, five hundred sixteen thousand, six hundred seventy-nine".