40571966679 has 8 divisors (see below), whose sum is σ = 54301644672. Its totient is φ = 26945133240.

The previous prime is 40571966621. The next prime is 40571966681. The reversal of 40571966679 is 97666917504.

40571966679 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40571966679 - 2¹⁶ = 40571901143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40571966779) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25710217 + ... + 25711794.

It is an arithmetic number, because the mean of its divisors is an integer number (6787705584).

Almost surely, 2^40571966679 is an apocalyptic number.

40571966679 is a deficient number, since it is larger than the sum of its proper divisors (13729677993).

40571966679 is a wasteful number, since it uses less digits than its factorization.

40571966679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51422277.

The product of its (nonzero) digits is 17146080, while the sum is 60.

The spelling of 40571966679 in words is "forty billion, five hundred seventy-one million, nine hundred sixty-six thousand, six hundred seventy-nine".