401224240271 has 2 divisors, whose sum is σ = 401224240272. Its totient is φ = 401224240270.

The previous prime is 401224240211. The next prime is 401224240289. The reversal of 401224240271 is 172042422104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 401224240271 - 2¹⁴ = 401224223887 is a prime.

It is a super-2 number, since 2×401224240271² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401224240211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200612120135 + 200612120136.

It is an arithmetic number, because the mean of its divisors is an integer number (200612120136).

Almost surely, 2^401224240271 is an apocalyptic number.

401224240271 is a deficient number, since it is larger than the sum of its proper divisors (1).

401224240271 is an equidigital number, since it uses as much as digits as its factorization.

401224240271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7168, while the sum is 29.

Adding to 401224240271 its reverse (172042422104), we get a palindrome (573266662375).

The spelling of 401224240271 in words is "four hundred one billion, two hundred twenty-four million, two hundred forty thousand, two hundred seventy-one".