40858771 has 2 divisors, whose sum is σ = 40858772. Its totient is φ = 40858770.

The previous prime is 40858747. The next prime is 40858777. The reversal of 40858771 is 17785804.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40858771 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40858777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20429385 + 20429386.

It is an arithmetic number, because the mean of its divisors is an integer number (20429386).

Almost surely, 2^40858771 is an apocalyptic number.

40858771 is a deficient number, since it is larger than the sum of its proper divisors (1).

40858771 is an equidigital number, since it uses as much as digits as its factorization.

40858771 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62720, while the sum is 40.

The square root of 40858771 is about 6392.0865920292. The cubic root of 40858771 is about 344.4253431385.

The spelling of 40858771 in words is "forty million, eight hundred fifty-eight thousand, seven hundred seventy-one".