305231664 has 40 divisors (see below), whose sum is σ = 803399472. Its totient is φ = 99823360.

The previous prime is 305231639. The next prime is 305231683. The reversal of 305231664 is 466132503.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57447 + ... + 62534.

Almost surely, 2^305231664 is an apocalyptic number.

It is an amenable number.

305231664 is an abundant number, since it is smaller than the sum of its proper divisors (498167808).

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

305231664 is a wasteful number, since it uses less digits than its factorization.

305231664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120045 (or 120039 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 305231664 is about 17470.8804586375. The cubic root of 305231664 is about 673.3019332044.

It can be divided in two parts, 3052 and 31664, that added together give a triangular number (34716 = T₂₆₃).

The spelling of 305231664 in words is "three hundred five million, two hundred thirty-one thousand, six hundred sixty-four".