40679063771 has 2 divisors, whose sum is σ = 40679063772. Its totient is φ = 40679063770.

The previous prime is 40679063741. The next prime is 40679063813. The reversal of 40679063771 is 17736097604.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40679063771 - 2¹⁰ = 40679062747 is a prime.

It is not a weakly prime, because it can be changed into another prime (40679063731) 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, 20339531885 + 20339531886.

It is an arithmetic number, because the mean of its divisors is an integer number (20339531886).

Almost surely, 2^40679063771 is an apocalyptic number.

40679063771 is a deficient number, since it is larger than the sum of its proper divisors (1).

40679063771 is an equidigital number, since it uses as much as digits as its factorization.

40679063771 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1333584, while the sum is 50.

The spelling of 40679063771 in words is "forty billion, six hundred seventy-nine million, sixty-three thousand, seven hundred seventy-one".