401311522241 has 8 divisors (see below), whose sum is σ = 458702283264. Its totient is φ = 343935897120.

The previous prime is 401311522217. The next prime is 401311522243. The reversal of 401311522241 is 142225113104.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 401311522241 - 2⁶ = 401311522177 is a prime.

It is a super-2 number, since 2×401311522241² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 401311522241.

It is not an unprimeable number, because it can be changed into a prime (401311522243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3727100 + ... + 3833261.

It is an arithmetic number, because the mean of its divisors is an integer number (57337785408).

Almost surely, 2^401311522241 is an apocalyptic number.

It is an amenable number.

401311522241 is a deficient number, since it is larger than the sum of its proper divisors (57390761023).

401311522241 is an equidigital number, since it uses as much as digits as its factorization.

401311522241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7567951.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 401311522241 its reverse (142225113104), we get a palindrome (543536635345).

The spelling of 401311522241 in words is "four hundred one billion, three hundred eleven million, five hundred twenty-two thousand, two hundred forty-one".