4120664832 has 144 divisors (see below), whose sum is σ = 12579266560. Its totient is φ = 1329177600.

The previous prime is 4120664831. The next prime is 4120664879. The reversal of 4120664832 is 2384660214.

4120664832 is a `hidden beast` number, since 4 + 1 + 2 + 0 + 6 + 648 + 3 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

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 (4120664831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204657 + ... + 223887.

Almost surely, 2^4120664832 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 4120664832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6289633280).

4120664832 is an abundant number, since it is smaller than the sum of its proper divisors (8458601728).

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

4120664832 is a wasteful number, since it uses less digits than its factorization.

4120664832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19287 (or 19267 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 4120664832 is about 64192.4047843668. The cubic root of 4120664832 is about 1603.2051417957.

The spelling of 4120664832 in words is "four billion, one hundred twenty million, six hundred sixty-four thousand, eight hundred thirty-two".