1440014112 has 84 divisors (see below), whose sum is σ = 4250666070. Its totient is φ = 479996928.

The previous prime is 1440014089. The next prime is 1440014117. The reversal of 1440014112 is 2114100441.

It can be written as a sum of positive squares in only one way, i.e., 806787216 + 633226896 = 28404^2 + 25164^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440014117) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 7537 + ... + 54192.

Almost surely, 2^1440014112 is an apocalyptic number.

1440014112 is a gapful number since it is divisible by the number (12) 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 1440014112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2125333035).

1440014112 is an abundant number, since it is smaller than the sum of its proper divisors (2810651958).

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

1440014112 is an frugal number, since it uses more digits than its factorization.

1440014112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61757 (or 61734 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 1440014112 is about 37947.5178634914. The cubic root of 1440014112 is about 1129.2469235064.

Adding to 1440014112 its reverse (2114100441), we get a palindrome (3554114553).

The spelling of 1440014112 in words is "one billion, four hundred forty million, fourteen thousand, one hundred twelve".