401344403044 has 12 divisors (see below), whose sum is σ = 756379836604. Its totient is φ = 185235878304.

The previous prime is 401344403011. The next prime is 401344403051. The reversal of 401344403044 is 440304443104.

It can be written as a sum of positive squares in 2 ways, for example, as 247743116644 + 153601286400 = 497738^2 + 391920^2 .

It is a super-2 number, since 2×401344403044² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401344402997 and 401344403015.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3859080747 + ... + 3859080850.

Almost surely, 2^401344403044 is an apocalyptic number.

It is an amenable number.

401344403044 is a deficient number, since it is larger than the sum of its proper divisors (355035433560).

401344403044 is a wasteful number, since it uses less digits than its factorization.

401344403044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7718161614 (or 7718161612 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 401344403044 its reverse (440304443104), we get a palindrome (841648846148).

The spelling of 401344403044 in words is "four hundred one billion, three hundred forty-four million, four hundred three thousand, forty-four".