40032020100161 has 2 divisors, whose sum is σ = 40032020100162. Its totient is φ = 40032020100160.

The previous prime is 40032020100089. The next prime is 40032020100167. The reversal of 40032020100161 is 16100102023004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29487549899536 + 10544470200625 = 5430244^2 + 3247225^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40032020100161 is a prime.

It is not a weakly prime, because it can be changed into another prime (40032020100167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20016010050080 + 20016010050081.

It is an arithmetic number, because the mean of its divisors is an integer number (20016010050081).

Almost surely, 2^{40032020100161} is an apocalyptic number.

It is an amenable number.

40032020100161 is a deficient number, since it is larger than the sum of its proper divisors (1).

40032020100161 is an equidigital number, since it uses as much as digits as its factorization.

40032020100161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 40032020100161 its reverse (16100102023004), we get a palindrome (56132122123165).

The spelling of 40032020100161 in words is "forty trillion, thirty-two billion, twenty million, one hundred thousand, one hundred sixty-one".