404424420244 has 12 divisors (see below), whose sum is σ = 762184484404. Its totient is φ = 186657424704.

The previous prime is 404424420229. The next prime is 404424420293. The reversal of 404424420244 is 442024424404.

It can be written as a sum of positive squares in 2 ways, for example, as 143783539344 + 260640880900 = 379188^2 + 510530^2 .

It is a super-2 number, since 2×404424420244² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3888696297 + ... + 3888696400.

Almost surely, 2^404424420244 is an apocalyptic number.

It is an amenable number.

404424420244 is a deficient number, since it is larger than the sum of its proper divisors (357760064160).

404424420244 is a wasteful number, since it uses less digits than its factorization.

404424420244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7777392714 (or 7777392712 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 34.

Adding to 404424420244 its reverse (442024424404), we get a palindrome (846448844648).

The spelling of 404424420244 in words is "four hundred four billion, four hundred twenty-four million, four hundred twenty thousand, two hundred forty-four".