401234442001 has 2 divisors, whose sum is σ = 401234442002. Its totient is φ = 401234442000.

The previous prime is 401234441939. The next prime is 401234442029. The reversal of 401234442001 is 100244432104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 324616202001 + 76618240000 = 569751^2 + 276800^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401234442001 is a prime.

It is not a weakly prime, because it can be changed into another prime (401234442071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200617221000 + 200617221001.

It is an arithmetic number, because the mean of its divisors is an integer number (200617221001).

Almost surely, 2^401234442001 is an apocalyptic number.

It is an amenable number.

401234442001 is a deficient number, since it is larger than the sum of its proper divisors (1).

401234442001 is an equidigital number, since it uses as much as digits as its factorization.

401234442001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 401234442001 its reverse (100244432104), we get a palindrome (501478874105).

The spelling of 401234442001 in words is "four hundred one billion, two hundred thirty-four million, four hundred forty-two thousand, one".