4243057632 has 144 divisors (see below), whose sum is σ = 13273107120. Its totient is φ = 1285658880.

The previous prime is 4243057631. The next prime is 4243057639. The reversal of 4243057632 is 2367503424.

4243057632 is a `hidden beast` number, since 4 + 24 + 30 + 576 + 32 = 666.

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

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4243057631) 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, 377794 + ... + 388862.

It is an arithmetic number, because the mean of its divisors is an integer number (92174355).

Almost surely, 2^4243057632 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 4243057632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6636553560).

4243057632 is an abundant number, since it is smaller than the sum of its proper divisors (9030049488).

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

4243057632 is a wasteful number, since it uses less digits than its factorization.

4243057632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11118 (or 11085 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 36.

The square root of 4243057632 is about 65138.7567581697. The cubic root of 4243057632 is about 1618.9234365394.

The spelling of 4243057632 in words is "four billion, two hundred forty-three million, fifty-seven thousand, six hundred thirty-two".