40668124271 has 2 divisors, whose sum is σ = 40668124272. Its totient is φ = 40668124270.

The previous prime is 40668124249. The next prime is 40668124279. The reversal of 40668124271 is 17242186604.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40668124271 - 2²⁶ = 40601015407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40668124279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20334062135 + 20334062136.

It is an arithmetic number, because the mean of its divisors is an integer number (20334062136).

Almost surely, 2^40668124271 is an apocalyptic number.

40668124271 is a deficient number, since it is larger than the sum of its proper divisors (1).

40668124271 is an equidigital number, since it uses as much as digits as its factorization.

40668124271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129024, while the sum is 41.

The spelling of 40668124271 in words is "forty billion, six hundred sixty-eight million, one hundred twenty-four thousand, two hundred seventy-one".