4224120320440 has 32 divisors (see below), whose sum is σ = 9525920580000. Its totient is φ = 1685799264384.

The previous prime is 4224120320437. The next prime is 4224120320461. The reversal of 4224120320440 is 440230214224.

4224120320440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 4224120320399 and 4224120320408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120259215 + ... + 120294334.

It is an arithmetic number, because the mean of its divisors is an integer number (297685018125).

Almost surely, 2^{4224120320440} is an apocalyptic number.

4224120320440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4224120320440 is an abundant number, since it is smaller than the sum of its proper divisors (5301800259560).

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

4224120320440 is a wasteful number, since it uses less digits than its factorization.

4224120320440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240553999 (or 240553995 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 4224120320440 its reverse (440230214224), we get a palindrome (4664350534664).

The spelling of 4224120320440 in words is "four trillion, two hundred twenty-four billion, one hundred twenty million, three hundred twenty thousand, four hundred forty".