440404200424 has 32 divisors (see below), whose sum is σ = 847364704200. Its totient is φ = 214458900480.

The previous prime is 440404200421. The next prime is 440404200427. The reversal of 440404200424 is 424002404044.

It is an interprime number because it is at equal distance from previous prime (440404200421) and next prime (440404200427).

It can be written as a sum of positive squares in 4 ways, for example, as 430952860900 + 9451339524 = 656470^2 + 97218^2 .

It is a super-2 number, since 2×440404200424² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 440404200392 and 440404200401.

It is not an unprimeable number, because it can be changed into a prime (440404200421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 974259 + ... + 1352770.

Almost surely, 2^440404200424 is an apocalyptic number.

It is an amenable number.

440404200424 is a deficient number, since it is larger than the sum of its proper divisors (406960503776).

440404200424 is a wasteful number, since it uses less digits than its factorization.

440404200424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2327653 (or 2327649 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 440404200424 its reverse (424002404044), we get a palindrome (864406604468).

The spelling of 440404200424 in words is "four hundred forty billion, four hundred four million, two hundred thousand, four hundred twenty-four".