4218434752 has 56 divisors (see below), whose sum is σ = 9639970560. Its totient is φ = 1794074880.

The previous prime is 4218434747. The next prime is 4218434767. The reversal of 4218434752 is 2574348124.

It is a tau number, because it is divible by the number of its divisors (56).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22749 + ... + 94627.

Almost surely, 2^4218434752 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 4218434752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4819985280).

4218434752 is an abundant number, since it is smaller than the sum of its proper divisors (5421535808).

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

4218434752 is a wasteful number, since it uses less digits than its factorization.

4218434752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72029 (or 72019 counting only the distinct ones).

The product of its digits is 215040, while the sum is 40.

The square root of 4218434752 is about 64949.4784582602. The cubic root of 4218434752 is about 1615.7857687449.

The spelling of 4218434752 in words is "four billion, two hundred eighteen million, four hundred thirty-four thousand, seven hundred fifty-two".