3943482720 has 288 divisors, whose sum is σ = 13116370176. Its totient is φ = 995650560.

The previous prime is 3943482713. The next prime is 3943482749. The reversal of 3943482720 is 272843493.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38286189 + ... + 38286291.

It is an arithmetic number, because the mean of its divisors is an integer number (45542952).

Almost surely, 2^3943482720 is an apocalyptic number.

3943482720 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3943482720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6558185088).

3943482720 is an abundant number, since it is smaller than the sum of its proper divisors (9172887456).

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

3943482720 is a wasteful number, since it uses less digits than its factorization.

3943482720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266 (or 227 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 42.

The square root of 3943482720 is about 62797.1553495857. The cubic root of 3943482720 is about 1579.8892621208.

The spelling of 3943482720 in words is "three billion, nine hundred forty-three million, four hundred eighty-two thousand, seven hundred twenty".