140443640012 has 24 divisors (see below), whose sum is σ = 264923630496. Its totient is φ = 64761026688.

The previous prime is 140443639913. The next prime is 140443640033. The reversal of 140443640012 is 210046344041.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1173968 + ... + 1288055.

It is an arithmetic number, because the mean of its divisors is an integer number (11038484604).

Almost surely, 2^140443640012 is an apocalyptic number.

It is an amenable number.

140443640012 is a deficient number, since it is larger than the sum of its proper divisors (124479990484).

140443640012 is a wasteful number, since it uses less digits than its factorization.

140443640012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2463137 (or 2463135 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 140443640012 its reverse (210046344041), we get a palindrome (350489984053).

The spelling of 140443640012 in words is "one hundred forty billion, four hundred forty-three million, six hundred forty thousand, twelve".