305232452252 has 192 divisors, whose sum is σ = 699879936000. Its totient is φ = 113105341440.

The previous prime is 305232452249. The next prime is 305232452257. The reversal of 305232452252 is 252254232503.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305232452257) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 279260618 + ... + 279261710.

It is an arithmetic number, because the mean of its divisors is an integer number (3645208000).

Almost surely, 2^305232452252 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 305232452252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (349939968000).

305232452252 is an abundant number, since it is smaller than the sum of its proper divisors (394647483748).

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

305232452252 is a wasteful number, since it uses less digits than its factorization.

305232452252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1556 (or 1554 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 35.

Adding to 305232452252 its reverse (252254232503), we get a palindrome (557486684755).

The spelling of 305232452252 in words is "three hundred five billion, two hundred thirty-two million, four hundred fifty-two thousand, two hundred fifty-two".