3850721180 has 24 divisors (see below), whose sum is σ = 8438103072. Its totient is φ = 1473319232.

The previous prime is 3850721179. The next prime is 3850721183. The reversal of 3850721180 is 811270583.

It is a super-2 number, since 2×3850721180² = 29656107212201184800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3850721180.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3850721183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4185107 + ... + 4186026.

It is an arithmetic number, because the mean of its divisors is an integer number (351587628).

Almost surely, 2^3850721180 is an apocalyptic number.

It is an amenable number.

3850721180 is an abundant number, since it is smaller than the sum of its proper divisors (4587381892).

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

3850721180 is a wasteful number, since it uses less digits than its factorization.

3850721180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8371165 (or 8371163 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 35.

The square root of 3850721180 is about 62054.1793918830. The cubic root of 3850721180 is about 1567.4030633965.

The spelling of 3850721180 in words is "three billion, eight hundred fifty million, seven hundred twenty-one thousand, one hundred eighty".