401133400401 has 4 divisors (see below), whose sum is σ = 534844533872. Its totient is φ = 267422266932.

The previous prime is 401133400337. The next prime is 401133400403. The reversal of 401133400401 is 104004331104.

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 not a de Polignac number, because 401133400401 - 2⁶ = 401133400337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401133400403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66855566731 + ... + 66855566736.

It is an arithmetic number, because the mean of its divisors is an integer number (133711133468).

Almost surely, 2^401133400401 is an apocalyptic number.

It is an amenable number.

401133400401 is a deficient number, since it is larger than the sum of its proper divisors (133711133471).

401133400401 is a wasteful number, since it uses less digits than its factorization.

401133400401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133711133470.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 401133400401 its reverse (104004331104), we get a palindrome (505137731505).

The spelling of 401133400401 in words is "four hundred one billion, one hundred thirty-three million, four hundred thousand, four hundred one".