401044401043 has 16 divisors (see below), whose sum is σ = 478189264896. Its totient is φ = 331517751840.

The previous prime is 401044401041. The next prime is 401044401067. The reversal of 401044401043 is 340104440104.

It is a happy number.

It is not a de Polignac number, because 401044401043 - 2¹ = 401044401041 is a prime.

It is a super-2 number, since 2×401044401043² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 401044400999 and 401044401017.

It is not an unprimeable number, because it can be changed into a prime (401044401041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20919571 + ... + 20938732.

It is an arithmetic number, because the mean of its divisors is an integer number (29886829056).

Almost surely, 2^401044401043 is an apocalyptic number.

401044401043 is a deficient number, since it is larger than the sum of its proper divisors (77144863853).

401044401043 is a wasteful number, since it uses less digits than its factorization.

401044401043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41858394.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 401044401043 its reverse (340104440104), we get a palindrome (741148841147).

The spelling of 401044401043 in words is "four hundred one billion, forty-four million, four hundred one thousand, forty-three".