401144322401 has 4 divisors (see below), whose sum is σ = 409679308032. Its totient is φ = 392609336772.

The previous prime is 401144322377. The next prime is 401144322479. The reversal of 401144322401 is 104223441104.

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 401144322401 - 2³⁴ = 383964453217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (401144322001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4267492745 + ... + 4267492838.

It is an arithmetic number, because the mean of its divisors is an integer number (102419827008).

Almost surely, 2^401144322401 is an apocalyptic number.

It is an amenable number.

401144322401 is a deficient number, since it is larger than the sum of its proper divisors (8534985631).

401144322401 is an equidigital number, since it uses as much as digits as its factorization.

401144322401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8534985630.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 401144322401 its reverse (104223441104), we get a palindrome (505367763505).

The spelling of 401144322401 in words is "four hundred one billion, one hundred forty-four million, three hundred twenty-two thousand, four hundred one".