1440114544 has 20 divisors (see below), whose sum is σ = 3043878840. Its totient is φ = 654597440.

The previous prime is 1440114541. The next prime is 1440114553. The reversal of 1440114544 is 4454110441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440114541) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4091059 + ... + 4091410.

It is an arithmetic number, because the mean of its divisors is an integer number (152193942).

Almost surely, 2^1440114544 is an apocalyptic number.

It is an amenable number.

1440114544 is an abundant number, since it is smaller than the sum of its proper divisors (1603764296).

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

1440114544 is a wasteful number, since it uses less digits than its factorization.

1440114544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8182488 (or 8182482 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 28.

The square root of 1440114544 is about 37948.8411417266. The cubic root of 1440114544 is about 1129.2731755386.

Adding to 1440114544 its reverse (4454110441), we get a palindrome (5894224985).

The spelling of 1440114544 in words is "one billion, four hundred forty million, one hundred fourteen thousand, five hundred forty-four".