3971258180 has 24 divisors (see below), whose sum is σ = 8349736920. Its totient is φ = 1586580480.

The previous prime is 3971258171. The next prime is 3971258197. The reversal of 3971258180 is 818521793.

3971258180 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1693487104 + 2277771076 = 41152^2 + 47726^2 .

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, 103181 + ... + 136340.

It is an arithmetic number, because the mean of its divisors is an integer number (347905705).

Almost surely, 2^3971258180 is an apocalyptic number.

It is an amenable number.

3971258180 is an abundant number, since it is smaller than the sum of its proper divisors (4378478740).

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

3971258180 is a wasteful number, since it uses less digits than its factorization.

3971258180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240359 (or 240357 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 44.

The square root of 3971258180 is about 63017.9195150078. The cubic root of 3971258180 is about 1583.5898426400.

The spelling of 3971258180 in words is "three billion, nine hundred seventy-one million, two hundred fifty-eight thousand, one hundred eighty".