1440340112 has 20 divisors (see below), whose sum is σ = 2792432880. Its totient is φ = 719712288.

The previous prime is 1440340043. The next prime is 1440340117. The reversal of 1440340112 is 2110430441.

It is not an unprimeable number, because it can be changed into a prime (1440340117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1898 + ... + 53705.

It is an arithmetic number, because the mean of its divisors is an integer number (139621644).

Almost surely, 2^1440340112 is an apocalyptic number.

It is an amenable number.

1440340112 is a deficient number, since it is larger than the sum of its proper divisors (1352092768).

1440340112 is a wasteful number, since it uses less digits than its factorization.

1440340112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57230 (or 57224 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1440340112 is about 37951.8130265209. The cubic root of 1440340112 is about 1129.3321325603.

Adding to 1440340112 its reverse (2110430441), we get a palindrome (3550770553).

The spelling of 1440340112 in words is "one billion, four hundred forty million, three hundred forty thousand, one hundred twelve".