4235636972 has 48 divisors (see below), whose sum is σ = 8989424640. Its totient is φ = 1704713472.

The previous prime is 4235636971. The next prime is 4235636983. The reversal of 4235636972 is 2796365324.

It is not an unprimeable number, because it can be changed into a prime (4235636971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210779 + ... + 229997.

It is an arithmetic number, because the mean of its divisors is an integer number (187279680).

Almost surely, 2^4235636972 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 4235636972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4494712320).

4235636972 is an abundant number, since it is smaller than the sum of its proper divisors (4753787668).

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

4235636972 is a wasteful number, since it uses less digits than its factorization.

4235636972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19710 (or 19708 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 47.

The square root of 4235636972 is about 65081.7714264140. The cubic root of 4235636972 is about 1617.9791104048.

The spelling of 4235636972 in words is "four billion, two hundred thirty-five million, six hundred thirty-six thousand, nine hundred seventy-two".