1440322012 has 6 divisors (see below), whose sum is σ = 2520563528. Its totient is φ = 720161004.

The previous prime is 1440321943. The next prime is 1440322019. The reversal of 1440322012 is 2102230441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440322019) 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 as a sum of consecutive naturals, namely, 180040248 + ... + 180040255.

Almost surely, 2^1440322012 is an apocalyptic number.

It is an amenable number.

1440322012 is a deficient number, since it is larger than the sum of its proper divisors (1080241516).

1440322012 is a wasteful number, since it uses less digits than its factorization.

1440322012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360080507 (or 360080505 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1440322012 is about 37951.5745654907. The cubic root of 1440322012 is about 1129.3274019653.

Adding to 1440322012 its reverse (2102230441), we get a palindrome (3542552453).

The spelling of 1440322012 in words is "one billion, four hundred forty million, three hundred twenty-two thousand, twelve".