4244021220320 has 48 divisors (see below), whose sum is σ = 11458857297888. Its totient is φ = 1455092989440.

The previous prime is 4244021220277. The next prime is 4244021220379. The reversal of 4244021220320 is 230221204424.

It is a super-2 number, since 2×4244021220320² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4244021220320.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1894651211 + ... + 1894653450.

It is an arithmetic number, because the mean of its divisors is an integer number (238726193706).

Almost surely, 2^{4244021220320} is an apocalyptic number.

4244021220320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4244021220320 is an abundant number, since it is smaller than the sum of its proper divisors (7214836077568).

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

4244021220320 is a wasteful number, since it uses less digits than its factorization.

4244021220320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3789304683 (or 3789304675 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 4244021220320 its reverse (230221204424), we get a palindrome (4474242424744).

The spelling of 4244021220320 in words is "four trillion, two hundred forty-four billion, twenty-one million, two hundred twenty thousand, three hundred twenty".