1440000224 has 48 divisors (see below), whose sum is σ = 3058797168. Its totient is φ = 663370752.

The previous prime is 1440000217. The next prime is 1440000227. The reversal of 1440000224 is 4220000441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440000227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241244 + ... + 247140.

It is an arithmetic number, because the mean of its divisors is an integer number (63724941).

Almost surely, 2^1440000224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1440000224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1529398584).

1440000224 is an abundant number, since it is smaller than the sum of its proper divisors (1618796944).

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

1440000224 is a wasteful number, since it uses less digits than its factorization.

1440000224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6507 (or 6499 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 1440000224 is about 37947.3348734796. The cubic root of 1440000224 is about 1129.2432932106.

Adding to 1440000224 its reverse (4220000441), we get a palindrome (5660000665).

The spelling of 1440000224 in words is "one billion, four hundred forty million, two hundred twenty-four", and thus it is an aban number.