4244144320 has 84 divisors (see below), whose sum is σ = 10943722080. Its totient is φ = 1567048704.

The previous prime is 4244144297. The next prime is 4244144339. The reversal of 4244144320 is 234414424.

It is a super-2 number, since 2×4244144320² = 36025522017976524800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14841 + ... + 93319.

Almost surely, 2^4244144320 is an apocalyptic number.

4244144320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4244144320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5471861040).

4244144320 is an abundant number, since it is smaller than the sum of its proper divisors (6699577760).

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

4244144320 is a wasteful number, since it uses less digits than its factorization.

4244144320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78522 (or 78499 counting only the distinct ones).

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

The square root of 4244144320 is about 65147.0975562227. The cubic root of 4244144320 is about 1619.0616320466.

Adding to 4244144320 its reverse (234414424), we get a palindrome (4478558744).

The spelling of 4244144320 in words is "four billion, two hundred forty-four million, one hundred forty-four thousand, three hundred twenty".