306468531216 has 45 divisors (see below), whose sum is σ = 857704828669. Its totient is φ = 102153962688.

The previous prime is 306468531197. The next prime is 306468531221. The reversal of 306468531216 is 612135864603.

The square root of 306468531216 is 553596.

It is a perfect power (a square), and thus also a powerful number.

306468531216 is a `hidden beast` number, since 30 + 6 + 4 + 68 + 531 + 21 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 181220490000 + 125248041216 = 425700^2 + 353904^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6620086 + ... + 6666218.

Almost surely, 2^306468531216 is an apocalyptic number.

306468531216 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

306468531216 is the 553596-th square number.

It is an amenable number.

306468531216 is an abundant number, since it is smaller than the sum of its proper divisors (551236297453).

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

306468531216 is an frugal number, since it uses more digits than its factorization.

306468531216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92280 (or 46138 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 306468531216 in words is "three hundred six billion, four hundred sixty-eight million, five hundred thirty-one thousand, two hundred sixteen".