40200071 has 2 divisors, whose sum is σ = 40200072. Its totient is φ = 40200070.

The previous prime is 40199983. The next prime is 40200091. The reversal of 40200071 is 17000204.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40200071 - 2¹⁴ = 40183687 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40200091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20100035 + 20100036.

It is an arithmetic number, because the mean of its divisors is an integer number (20100036).

Almost surely, 2^40200071 is an apocalyptic number.

40200071 is a deficient number, since it is larger than the sum of its proper divisors (1).

40200071 is an equidigital number, since it uses as much as digits as its factorization.

40200071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 14.

The square root of 40200071 is about 6340.3525927191. The cubic root of 40200071 is about 342.5644356364.

Adding to 40200071 its reverse (17000204), we get a palindrome (57200275).

The spelling of 40200071 in words is "forty million, two hundred thousand, seventy-one".