304775664216 has 128 divisors (see below), whose sum is σ = 821868768000. Its totient is φ = 93830807552.

The previous prime is 304775664211. The next prime is 304775664217. The reversal of 304775664216 is 612466577403.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304775664211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14119480 + ... + 14141048.

It is an arithmetic number, because the mean of its divisors is an integer number (6420849750).

Almost surely, 2^304775664216 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 304775664216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (410934384000).

304775664216 is an abundant number, since it is smaller than the sum of its proper divisors (517093103784).

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

304775664216 is a wasteful number, since it uses less digits than its factorization.

304775664216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22241 (or 22237 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 51.

The spelling of 304775664216 in words is "three hundred four billion, seven hundred seventy-five million, six hundred sixty-four thousand, two hundred sixteen".