401320401 has 12 divisors (see below), whose sum is σ = 538752816. Its totient is φ = 265729800.

The previous prime is 401320393. The next prime is 401320427. The reversal of 401320401 is 104023104.

It is not a de Polignac number, because 401320401 - 2³ = 401320393 is a prime.

It is a super-2 number, since 2×401320401² = 322116128517601602, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401320481) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65470 + ... + 71336.

It is an arithmetic number, because the mean of its divisors is an integer number (44896068).

Almost surely, 2^401320401 is an apocalyptic number.

It is an amenable number.

401320401 is a deficient number, since it is larger than the sum of its proper divisors (137432415).

401320401 is an equidigital number, since it uses as much as digits as its factorization.

401320401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6172 (or 6021 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 401320401 is about 20032.9828283259. The cubic root of 401320401 is about 737.6161424289.

Adding to 401320401 its reverse (104023104), we get a palindrome (505343505).

The spelling of 401320401 in words is "four hundred one million, three hundred twenty thousand, four hundred one".