3940682180 has 48 divisors (see below), whose sum is σ = 8573160960. Its totient is φ = 1519929600.

The previous prime is 3940682171. The next prime is 3940682189. The reversal of 3940682180 is 812860493.

It is an interprime number because it is at equal distance from previous prime (3940682171) and next prime (3940682189).

It is not an unprimeable number, because it can be changed into a prime (3940682189) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162911 + ... + 185529.

It is an arithmetic number, because the mean of its divisors is an integer number (178607520).

Almost surely, 2^3940682180 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 3940682180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4286580480).

3940682180 is an abundant number, since it is smaller than the sum of its proper divisors (4632478780).

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

3940682180 is a wasteful number, since it uses less digits than its factorization.

3940682180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22940 (or 22938 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 3940682180 is about 62774.8530862478. The cubic root of 3940682180 is about 1579.5151773170.

The spelling of 3940682180 in words is "three billion, nine hundred forty million, six hundred eighty-two thousand, one hundred eighty".