40430220101 has 2 divisors, whose sum is σ = 40430220102. Its totient is φ = 40430220100.

The previous prime is 40430220059. The next prime is 40430220133. The reversal of 40430220101 is 10102203404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34002991201 + 6427228900 = 184399^2 + 80170^2 .

It is a cyclic number.

It is not a de Polignac number, because 40430220101 - 2³⁰ = 39356478277 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40430220101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40430220001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20215110050 + 20215110051.

It is an arithmetic number, because the mean of its divisors is an integer number (20215110051).

Almost surely, 2^40430220101 is an apocalyptic number.

It is an amenable number.

40430220101 is a deficient number, since it is larger than the sum of its proper divisors (1).

40430220101 is an equidigital number, since it uses as much as digits as its factorization.

40430220101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 40430220101 its reverse (10102203404), we get a palindrome (50532423505).

The spelling of 40430220101 in words is "forty billion, four hundred thirty million, two hundred twenty thousand, one hundred one".