4320840384 has 252 divisors, whose sum is σ = 14906548800. Its totient is φ = 1191730176.

The previous prime is 4320840383. The next prime is 4320840431. The reversal of 4320840384 is 4830480234.

4320840384 is a `hidden beast` number, since 43 + 208 + 403 + 8 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (252).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (4320840383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 815857 + ... + 821135.

Almost surely, 2^4320840384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4320840384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7453274400).

4320840384 is an abundant number, since it is smaller than the sum of its proper divisors (10585708416).

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

4320840384 is a wasteful number, since it uses less digits than its factorization.

4320840384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5340 (or 5320 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 36.

The square root of 4320840384 is about 65733.0996074276. The cubic root of 4320840384 is about 1628.7561720509.

The spelling of 4320840384 in words is "four billion, three hundred twenty million, eight hundred forty thousand, three hundred eighty-four".