1440330112 has 64 divisors (see below), whose sum is σ = 3252841200. Its totient is φ = 629766144.

The previous prime is 1440330071. The next prime is 1440330113. The reversal of 1440330112 is 2110330441.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 1440330112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440330113) 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, 8838 + ... + 54394.

Almost surely, 2^1440330112 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 1440330112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1626420600).

1440330112 is an abundant number, since it is smaller than the sum of its proper divisors (1812511088).

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

1440330112 is a wasteful number, since it uses less digits than its factorization.

1440330112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45603 (or 45591 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1440330112 is about 37951.6812802806. The cubic root of 1440330112 is about 1129.3295189768.

Adding to 1440330112 its reverse (2110330441), we get a palindrome (3550660553).

The spelling of 1440330112 in words is "one billion, four hundred forty million, three hundred thirty thousand, one hundred twelve".