4244402440 has 16 divisors (see below), whose sum is σ = 9549905580. Its totient is φ = 1697760960.

The previous prime is 4244402431. The next prime is 4244402447. The reversal of 4244402440 is 442044424.

It can be written as a sum of positive squares in 2 ways, for example, as 4162572324 + 81830116 = 64518^2 + 9046^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4244402399 and 4244402408.

It is not an unprimeable number, because it can be changed into a prime (4244402447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53054991 + ... + 53055070.

Almost surely, 2^4244402440 is an apocalyptic number.

4244402440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4244402440 is an abundant number, since it is smaller than the sum of its proper divisors (5305503140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4244402440 is a wasteful number, since it uses less digits than its factorization.

4244402440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106110072 (or 106110068 counting only the distinct ones).

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

The square root of 4244402440 is about 65149.0785813583. The cubic root of 4244402440 is about 1619.0944540310.

Adding to 4244402440 its reverse (442044424), we get a palindrome (4686446864).

The spelling of 4244402440 in words is "four billion, two hundred forty-four million, four hundred two thousand, four hundred forty".