440022004424 has 8 divisors (see below), whose sum is σ = 825041258310. Its totient is φ = 220011002208.

The previous prime is 440022004363. The next prime is 440022004441. The reversal of 440022004424 is 424400220044.

It can be written as a sum of positive squares in only one way, i.e., 410534932900 + 29487071524 = 640730^2 + 171718^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 440022004393 and 440022004402.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27501375269 + ... + 27501375284.

Almost surely, 2^440022004424 is an apocalyptic number.

It is an amenable number.

440022004424 is a deficient number, since it is larger than the sum of its proper divisors (385019253886).

440022004424 is a wasteful number, since it uses less digits than its factorization.

440022004424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55002750559 (or 55002750555 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 440022004424 its reverse (424400220044), we get a palindrome (864422224468).

The spelling of 440022004424 in words is "four hundred forty billion, twenty-two million, four thousand, four hundred twenty-four".