3940795140 has 24 divisors (see below), whose sum is σ = 11034226560. Its totient is φ = 1050878688.

The previous prime is 3940795087. The next prime is 3940795163. The reversal of 3940795140 is 415970493.

It is a junction number, because it is equal to n+sod(n) for n = 3940795092 and 3940795101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32839900 + ... + 32840019.

It is an arithmetic number, because the mean of its divisors is an integer number (459759440).

Almost surely, 2^3940795140 is an apocalyptic number.

3940795140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3940795140 is an abundant number, since it is smaller than the sum of its proper divisors (7093431420).

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

3940795140 is a wasteful number, since it uses less digits than its factorization.

3940795140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65679931 (or 65679929 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 3940795140 is about 62775.7528031325. The cubic root of 3940795140 is about 1579.5302694865.

The spelling of 3940795140 in words is "three billion, nine hundred forty million, seven hundred ninety-five thousand, one hundred forty".