4312162728 has 96 divisors (see below), whose sum is σ = 12234119040. Its totient is φ = 1369526400.

The previous prime is 4312162711. The next prime is 4312162753. The reversal of 4312162728 is 8272612134.

It is a happy number.

4312162728 is a `hidden beast` number, since 4 + 3 + 1 + 2 + 1 + 627 + 28 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 4312162692 and 4312162701.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 430578 + ... + 440478.

It is an arithmetic number, because the mean of its divisors is an integer number (127438740).

Almost surely, 2^4312162728 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 4312162728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6117059520).

4312162728 is an abundant number, since it is smaller than the sum of its proper divisors (7921956312).

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

4312162728 is a wasteful number, since it uses less digits than its factorization.

4312162728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10199 (or 10192 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 4312162728 is about 65667.0596874872. The cubic root of 4312162728 is about 1627.6650835255.

The spelling of 4312162728 in words is "four billion, three hundred twelve million, one hundred sixty-two thousand, seven hundred twenty-eight".