1440933793989 has 8 divisors (see below), whose sum is σ = 1921311577632. Its totient is φ = 960589269840.

The previous prime is 1440933793967. The next prime is 1440933793991. The reversal of 1440933793989 is 9893973390441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1440933793989 - 2⁷ = 1440933793861 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440933793489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8213607 + ... + 8387204.

It is an arithmetic number, because the mean of its divisors is an integer number (240163947204).

Almost surely, 2^{1440933793989} is an apocalyptic number.

It is an amenable number.

1440933793989 is a deficient number, since it is larger than the sum of its proper divisors (480377783643).

1440933793989 is a wasteful number, since it uses less digits than its factorization.

1440933793989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16629747.

The product of its (nonzero) digits is 158723712, while the sum is 69.

The spelling of 1440933793989 in words is "one trillion, four hundred forty billion, nine hundred thirty-three million, seven hundred ninety-three thousand, nine hundred eighty-nine".