4143847920 has 160 divisors (see below), whose sum is σ = 13788885312. Its totient is φ = 1025703936.

The previous prime is 4143847861. The next prime is 4143847933. The reversal of 4143847920 is 297483414.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 290884 + ... + 304796.

Almost surely, 2^4143847920 is an apocalyptic number.

4143847920 is a gapful number since it is divisible by the number (40) 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 4143847920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6894442656).

4143847920 is an abundant number, since it is smaller than the sum of its proper divisors (9645037392).

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

4143847920 is a wasteful number, since it uses less digits than its factorization.

4143847920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14019 (or 14013 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 4143847920 is about 64372.7265229616. The cubic root of 4143847920 is about 1606.2060945369.

The spelling of 4143847920 in words is "four billion, one hundred forty-three million, eight hundred forty-seven thousand, nine hundred twenty".