1440457536668 has 12 divisors (see below), whose sum is σ = 2520819940800. Its totient is φ = 720223267872.

The previous prime is 1440457536653. The next prime is 1440457536703. The reversal of 1440457536668 is 8666357540441.

It is a happy number.

It is a hoax number, since the sum of its digits (59) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 754796 + ... + 1857587.

It is an arithmetic number, because the mean of its divisors is an integer number (210068328400).

Almost surely, 2^{1440457536668} is an apocalyptic number.

It is an amenable number.

1440457536668 is a deficient number, since it is larger than the sum of its proper divisors (1080362404132).

1440457536668 is a wasteful number, since it uses less digits than its factorization.

1440457536668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2750236 (or 2750234 counting only the distinct ones).

The product of its (nonzero) digits is 58060800, while the sum is 59.

The spelling of 1440457536668 in words is "one trillion, four hundred forty billion, four hundred fifty-seven million, five hundred thirty-six thousand, six hundred sixty-eight".