1440345512012 has 48 divisors (see below), whose sum is σ = 2838746480640. Its totient is φ = 633517372800.

The previous prime is 1440345511993. The next prime is 1440345512027. The reversal of 1440345512012 is 2102155430441.

It is a super-3 number, since 3×1440345512012³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 1440345512012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14527664 + ... + 14626472.

It is an arithmetic number, because the mean of its divisors is an integer number (59140551680).

Almost surely, 2^{1440345512012} is an apocalyptic number.

It is an amenable number.

1440345512012 is a deficient number, since it is larger than the sum of its proper divisors (1398400968628).

1440345512012 is a wasteful number, since it uses less digits than its factorization.

1440345512012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109542 (or 109540 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The spelling of 1440345512012 in words is "one trillion, four hundred forty billion, three hundred forty-five million, five hundred twelve thousand, twelve".