401324401 has 4 divisors (see below), whose sum is σ = 418773312. Its totient is φ = 383875492.

The previous prime is 401324387. The next prime is 401324449. The reversal of 401324401 is 104423104.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 401324401 - 2⁵ = 401324369 is a prime.

It is a super-2 number, since 2×401324401² = 322122549676017602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401324471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8724421 + ... + 8724466.

It is an arithmetic number, because the mean of its divisors is an integer number (104693328).

Almost surely, 2^401324401 is an apocalyptic number.

It is an amenable number.

401324401 is a deficient number, since it is larger than the sum of its proper divisors (17448911).

401324401 is a wasteful number, since it uses less digits than its factorization.

401324401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17448910.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 401324401 is about 20033.0826634345. The cubic root of 401324401 is about 737.6185930517.

Adding to 401324401 its reverse (104423104), we get a palindrome (505747505).

The spelling of 401324401 in words is "four hundred one million, three hundred twenty-four thousand, four hundred one".