40242204071 has 2 divisors, whose sum is σ = 40242204072. Its totient is φ = 40242204070.

The previous prime is 40242204031. The next prime is 40242204077. The reversal of 40242204071 is 17040224204.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40242204071 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40242204071.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40242204077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20121102035 + 20121102036.

It is an arithmetic number, because the mean of its divisors is an integer number (20121102036).

Almost surely, 2^40242204071 is an apocalyptic number.

40242204071 is a deficient number, since it is larger than the sum of its proper divisors (1).

40242204071 is an equidigital number, since it uses as much as digits as its factorization.

40242204071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3584, while the sum is 26.

Adding to 40242204071 its reverse (17040224204), we get a palindrome (57282428275).

The spelling of 40242204071 in words is "forty billion, two hundred forty-two million, two hundred four thousand, seventy-one".