4381217852 has 36 divisors (see below), whose sum is σ = 8633095968. Its totient is φ = 1942881600.

The previous prime is 4381217843. The next prime is 4381217857. The reversal of 4381217852 is 2587121834.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4381217857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90548 + ... + 130235.

Almost surely, 2^4381217852 is an apocalyptic number.

It is an amenable number.

4381217852 is a deficient number, since it is larger than the sum of its proper divisors (4251878116).

4381217852 is a wasteful number, since it uses less digits than its factorization.

4381217852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220850 (or 220837 counting only the distinct ones).

The product of its digits is 107520, while the sum is 41.

The square root of 4381217852 is about 66190.7686312827. The cubic root of 4381217852 is about 1636.3076076039.

The spelling of 4381217852 in words is "four billion, three hundred eighty-one million, two hundred seventeen thousand, eight hundred fifty-two".