401044401133 has 2 divisors, whose sum is σ = 401044401134. Its totient is φ = 401044401132.

The previous prime is 401044401127. The next prime is 401044401151. The reversal of 401044401133 is 331104440104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 245305250089 + 155739151044 = 495283^2 + 394638^2 .

It is a cyclic number.

It is not a de Polignac number, because 401044401133 - 2⁵ = 401044401101 is a prime.

It is a super-2 number, since 2×401044401133² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401044401098 and 401044401107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401044401833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200522200566 + 200522200567.

It is an arithmetic number, because the mean of its divisors is an integer number (200522200567).

Almost surely, 2^401044401133 is an apocalyptic number.

It is an amenable number.

401044401133 is a deficient number, since it is larger than the sum of its proper divisors (1).

401044401133 is an equidigital number, since it uses as much as digits as its factorization.

401044401133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 401044401133 its reverse (331104440104), we get a palindrome (732148841237).

The spelling of 401044401133 in words is "four hundred one billion, forty-four million, four hundred one thousand, one hundred thirty-three".