40879415771 has 2 divisors, whose sum is σ = 40879415772. Its totient is φ = 40879415770.

The previous prime is 40879415767. The next prime is 40879415803. The reversal of 40879415771 is 17751497804.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40879415771 - 2² = 40879415767 is a prime.

It is a super-2 number, since 2×40879415771² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40879418771) 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, 20439707885 + 20439707886.

It is an arithmetic number, because the mean of its divisors is an integer number (20439707886).

Almost surely, 2^40879415771 is an apocalyptic number.

40879415771 is a deficient number, since it is larger than the sum of its proper divisors (1).

40879415771 is an equidigital number, since it uses as much as digits as its factorization.

40879415771 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1975680, while the sum is 53.

The spelling of 40879415771 in words is "forty billion, eight hundred seventy-nine million, four hundred fifteen thousand, seven hundred seventy-one".