4328728032 has 24 divisors (see below), whose sum is σ = 11362911336. Its totient is φ = 1442909312.

The previous prime is 4328728031. The next prime is 4328728043. The reversal of 4328728032 is 2308278234.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-3 number, since 3×4328728032³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4328728031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22545363 + ... + 22545554.

It is an arithmetic number, because the mean of its divisors is an integer number (473454639).

Almost surely, 2^4328728032 is an apocalyptic number.

It is an amenable number.

4328728032 is an abundant number, since it is smaller than the sum of its proper divisors (7034183304).

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

4328728032 is a wasteful number, since it uses less digits than its factorization.

4328728032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45090930 (or 45090922 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 39.

The square root of 4328728032 is about 65793.0697870224. The cubic root of 4328728032 is about 1629.7466619212.

The spelling of 4328728032 in words is "four billion, three hundred twenty-eight million, seven hundred twenty-eight thousand, thirty-two".