4021928344 has 128 divisors (see below), whose sum is σ = 9124577280. Its totient is φ = 1625961600.

The previous prime is 4021928297. The next prime is 4021928347. The reversal of 4021928344 is 4438291204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021928347) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14840929 + ... + 14841199.

It is an arithmetic number, because the mean of its divisors is an integer number (71285760).

Almost surely, 2^4021928344 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 4021928344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4562288640).

4021928344 is an abundant number, since it is smaller than the sum of its proper divisors (5102648936).

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

4021928344 is a wasteful number, since it uses less digits than its factorization.

4021928344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501 (or 497 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 4021928344 is about 63418.6750413472. The cubic root of 4021928344 is about 1590.2965236825.

The spelling of 4021928344 in words is "four billion, twenty-one million, nine hundred twenty-eight thousand, three hundred forty-four".