3940043936180 has 72 divisors (see below), whose sum is σ = 9119446554624. Its totient is φ = 1428838994880.

The previous prime is 3940043936167. The next prime is 3940043936183. The reversal of 3940043936180 is 816393400493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3940043936183) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1330004 + ... + 3106283.

Almost surely, 2^{3940043936180} is an apocalyptic number.

It is an amenable number.

3940043936180 is an abundant number, since it is smaller than the sum of its proper divisors (5179402618444).

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

3940043936180 is a wasteful number, since it uses less digits than its factorization.

3940043936180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4436685 (or 4436672 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 50.

The spelling of 3940043936180 in words is "three trillion, nine hundred forty billion, forty-three million, nine hundred thirty-six thousand, one hundred eighty".