1940559469072 has 20 divisors (see below), whose sum is σ = 4296953110336. Its totient is φ = 831668343840.

The previous prime is 1940559469049. The next prime is 1940559469073. The reversal of 1940559469072 is 2709649550491.

It is a self number, because there is not a number n which added to its sum of digits gives 1940559469072.

It is not an unprimeable number, because it can be changed into a prime (1940559469073) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 8663211804 + ... + 8663212027.

Almost surely, 2^{1940559469072} is an apocalyptic number.

It is an amenable number.

1940559469072 is an abundant number, since it is smaller than the sum of its proper divisors (2356393641264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1940559469072 is a wasteful number, since it uses less digits than its factorization.

1940559469072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17326423846 (or 17326423840 counting only the distinct ones).

The product of its (nonzero) digits is 24494400, while the sum is 61.

The spelling of 1940559469072 in words is "one trillion, nine hundred forty billion, five hundred fifty-nine million, four hundred sixty-nine thousand, seventy-two".