4364245728 has 144 divisors (see below), whose sum is σ = 12973549680. Its totient is φ = 1389846528.

The previous prime is 4364245693. The next prime is 4364245733. The reversal of 4364245728 is 8275424634.

It is a happy number.

4364245728 is a `hidden beast` number, since 4 + 36 + 42 + 4 + 572 + 8 = 666.

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

It is a congruent number.

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, 807451 + ... + 812837.

It is an arithmetic number, because the mean of its divisors is an integer number (90094095).

Almost surely, 2^4364245728 is an apocalyptic number.

4364245728 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4364245728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6486774840).

4364245728 is an abundant number, since it is smaller than the sum of its proper divisors (8609303952).

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

4364245728 is a wasteful number, since it uses less digits than its factorization.

4364245728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5529 (or 5518 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 45.

The square root of 4364245728 is about 66062.4381021470. The cubic root of 4364245728 is about 1634.1919436614.

The spelling of 4364245728 in words is "four billion, three hundred sixty-four million, two hundred forty-five thousand, seven hundred twenty-eight".