4223440144 has 135 divisors (see below), whose sum is σ = 10512747063. Its totient is φ = 1637697600.

The previous prime is 4223440057. The next prime is 4223440157. The reversal of 4223440144 is 4410443224.

The square root of 4223440144 is 64988.

It is a perfect power (a square), and thus also a powerful number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

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 26 ways as a sum of consecutive naturals, for example, 20016199 + ... + 20016409.

Almost surely, 2^4223440144 is an apocalyptic number.

4223440144 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

4223440144 is the 64988-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4223440144

4223440144 is an abundant number, since it is smaller than the sum of its proper divisors (6289306919).

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

4223440144 is a wasteful number, since it uses less digits than its factorization.

4223440144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466 (or 231 counting only the distinct ones).

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

The cubic root of 4223440144 is about 1616.4245874017.

Adding to 4223440144 its reverse (4410443224), we get a palindrome (8633883368).

The spelling of 4223440144 in words is "four billion, two hundred twenty-three million, four hundred forty thousand, one hundred forty-four".