4646128932 has 72 divisors (see below), whose sum is σ = 12030127200. Its totient is φ = 1511411328.

The previous prime is 4646128901. The next prime is 4646128933. The reversal of 4646128932 is 2398216464.

It is not an unprimeable number, because it can be changed into a prime (4646128933) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 287368 + ... + 303104.

It is an arithmetic number, because the mean of its divisors is an integer number (167085100).

Almost surely, 2^4646128932 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 4646128932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6015063600).

4646128932 is an abundant number, since it is smaller than the sum of its proper divisors (7383998268).

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

4646128932 is a wasteful number, since it uses less digits than its factorization.

4646128932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15945 (or 15940 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 4646128932 is about 68162.5185274136. The cubic root of 4646128932 is about 1668.6442355558.

The spelling of 4646128932 in words is "four billion, six hundred forty-six million, one hundred twenty-eight thousand, nine hundred thirty-two".