304304993664 has 128 divisors (see below), whose sum is σ = 924003866880. Its totient is φ = 86923499520.

The previous prime is 304304993593. The next prime is 304304993687. The reversal of 304304993664 is 466399403403.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13888702 + ... + 13910594.

It is an arithmetic number, because the mean of its divisors is an integer number (7218780210).

Almost surely, 2^304304993664 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 304304993664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (462001933440).

304304993664 is an abundant number, since it is smaller than the sum of its proper divisors (619698873216).

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

304304993664 is a wasteful number, since it uses less digits than its factorization.

304304993664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27088 (or 27076 counting only the distinct ones).

The product of its (nonzero) digits is 5038848, while the sum is 51.

The spelling of 304304993664 in words is "three hundred four billion, three hundred four million, nine hundred ninety-three thousand, six hundred sixty-four".