401044401131 has 16 divisors (see below), whose sum is σ = 439347718656. Its totient is φ = 363051780000.

The previous prime is 401044401127. The next prime is 401044401133. The reversal of 401044401131 is 131104440104.

It is a cyclic number.

It is not a de Polignac number, because 401044401131 - 2² = 401044401127 is a prime.

It is a super-2 number, since 2×401044401131² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401044401097 and 401044401106.

It is not an unprimeable number, because it can be changed into a prime (401044401133) 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 in 15 ways as a sum of consecutive naturals, for example, 2409326 + ... + 2570396.

It is an arithmetic number, because the mean of its divisors is an integer number (27459232416).

Almost surely, 2^401044401131 is an apocalyptic number.

401044401131 is a deficient number, since it is larger than the sum of its proper divisors (38303317525).

401044401131 is a wasteful number, since it uses less digits than its factorization.

401044401131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162034.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 401044401131 its reverse (131104440104), we get a palindrome (532148841235).

The spelling of 401044401131 in words is "four hundred one billion, forty-four million, four hundred one thousand, one hundred thirty-one".