42400210201 has 2 divisors, whose sum is σ = 42400210202. Its totient is φ = 42400210200.

The previous prime is 42400210129. The next prime is 42400210211. The reversal of 42400210201 is 10201200424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25312491801 + 17087718400 = 159099^2 + 130720^2 .

It is a cyclic number.

It is not a de Polignac number, because 42400210201 - 2²⁹ = 41863339289 is a prime.

It is not a weakly prime, because it can be changed into another prime (42400210211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21200105100 + 21200105101.

It is an arithmetic number, because the mean of its divisors is an integer number (21200105101).

Almost surely, 2^42400210201 is an apocalyptic number.

It is an amenable number.

42400210201 is a deficient number, since it is larger than the sum of its proper divisors (1).

42400210201 is an equidigital number, since it uses as much as digits as its factorization.

42400210201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 42400210201 its reverse (10201200424), we get a palindrome (52601410625).

The spelling of 42400210201 in words is "forty-two billion, four hundred million, two hundred ten thousand, two hundred one".