40771807 has 2 divisors, whose sum is σ = 40771808. Its totient is φ = 40771806.

The previous prime is 40771751. The next prime is 40771811. The reversal of 40771807 is 70817704.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40771807 - 2¹¹ = 40769759 is a prime.

It is equal to p_2477761 and since 40771807 and 2477761 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40771867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20385903 + 20385904.

It is an arithmetic number, because the mean of its divisors is an integer number (20385904).

Almost surely, 2^40771807 is an apocalyptic number.

40771807 is a deficient number, since it is larger than the sum of its proper divisors (1).

40771807 is an equidigital number, since it uses as much as digits as its factorization.

40771807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10976, while the sum is 34.

The square root of 40771807 is about 6385.2804950135. The cubic root of 40771807 is about 344.1808107294.

The spelling of 40771807 in words is "forty million, seven hundred seventy-one thousand, eight hundred seven".