1940974486192 has 160 divisors (see below), whose sum is σ = 4719697027200. Its totient is φ = 770077163520.

The previous prime is 1940974486181. The next prime is 1940974486211. The reversal of 1940974486192 is 2916844790491.

It is a happy number.

It is a Smith number, since the sum of its digits (64) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5520528 + ... + 5861584.

It is an arithmetic number, because the mean of its divisors is an integer number (29498106420).

Almost surely, 2^{1940974486192} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1940974486192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2359848513600).

1940974486192 is an abundant number, since it is smaller than the sum of its proper divisors (2778722541008).

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

1940974486192 is a wasteful number, since it uses less digits than its factorization.

1940974486192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341164 (or 341144 counting only the distinct ones).

The product of its (nonzero) digits is 31352832, while the sum is 64.

The spelling of 1940974486192 in words is "one trillion, nine hundred forty billion, nine hundred seventy-four million, four hundred eighty-six thousand, one hundred ninety-two".