404440222024 has 8 divisors (see below), whose sum is σ = 758325416310. Its totient is φ = 202220111008.

The previous prime is 404440222001. The next prime is 404440222057. The reversal of 404440222024 is 420222044404.

It can be written as a sum of positive squares in only one way, i.e., 212412217924 + 192028004100 = 460882^2 + 438210^2 .

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 = 404440221983 and 404440222001.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25277513869 + ... + 25277513884.

Almost surely, 2^404440222024 is an apocalyptic number.

It is an amenable number.

404440222024 is a deficient number, since it is larger than the sum of its proper divisors (353885194286).

404440222024 is a wasteful number, since it uses less digits than its factorization.

404440222024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50555027759 (or 50555027755 counting only the distinct ones).

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

Adding to 404440222024 its reverse (420222044404), we get a palindrome (824662266428).

The spelling of 404440222024 in words is "four hundred four billion, four hundred forty million, two hundred twenty-two thousand, twenty-four".