306898272256 has 63 divisors (see below), whose sum is σ = 614932907673. Its totient is φ = 153165496320.

The previous prime is 306898272223. The next prime is 306898272287. The reversal of 306898272256 is 652272898603.

It is a happy number.

The square root of 306898272256 is 553984.

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

It can be written as a sum of positive squares in only one way, i.e., 121929465856 + 184968806400 = 349184^2 + 430080^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 306898272256.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 567279346 + ... + 567279886.

Almost surely, 2^306898272256 is an apocalyptic number.

306898272256 is the 553984-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 306898272256

306898272256 is an abundant number, since it is smaller than the sum of its proper divisors (308034635417).

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

306898272256 is an frugal number, since it uses more digits than its factorization.

306898272256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122 (or 543 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 58.

The spelling of 306898272256 in words is "three hundred six billion, eight hundred ninety-eight million, two hundred seventy-two thousand, two hundred fifty-six".