4243265536 has 48 divisors (see below), whose sum is σ = 8532079920. Its totient is φ = 2109726720.

The previous prime is 4243265503. The next prime is 4243265563. The reversal of 4243265536 is 6355623424.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 364965 + ... + 376411.

It is an arithmetic number, because the mean of its divisors is an integer number (177751665).

Almost surely, 2^4243265536 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 4243265536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4266039960).

4243265536 is an abundant number, since it is smaller than the sum of its proper divisors (4288814384).

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

4243265536 is a wasteful number, since it uses less digits than its factorization.

4243265536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11650 (or 11630 counting only the distinct ones).

The product of its digits is 518400, while the sum is 40.

The square root of 4243265536 is about 65140.3525934578. The cubic root of 4243265536 is about 1618.9498777829.

The spelling of 4243265536 in words is "four billion, two hundred forty-three million, two hundred sixty-five thousand, five hundred thirty-six".