4523187820 has 96 divisors (see below), whose sum is σ = 10125351936. Its totient is φ = 1693612800.

The previous prime is 4523187817. The next prime is 4523187847. The reversal of 4523187820 is 287813254.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9287617 + ... + 9288103.

It is an arithmetic number, because the mean of its divisors is an integer number (105472416).

Almost surely, 2^4523187820 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 4523187820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5062675968).

4523187820 is an abundant number, since it is smaller than the sum of its proper divisors (5602164116).

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

4523187820 is a wasteful number, since it uses less digits than its factorization.

4523187820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911 (or 909 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 4523187820 is about 67254.6490586339. The cubic root of 4523187820 is about 1653.7944896864.

The spelling of 4523187820 in words is "four billion, five hundred twenty-three million, one hundred eighty-seven thousand, eight hundred twenty".