309995059984 has 45 divisors (see below), whose sum is σ = 606651274047. Its totient is φ = 153455271552.

The previous prime is 309995059937. The next prime is 309995060009. The reversal of 309995059984 is 489950599903.

The square root of 309995059984 is 556772.

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

It can be written as a sum of positive squares in 4 ways, for example, as 38895728400 + 271099331584 = 197220^2 + 520672^2 .

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, 242751954 + ... + 242753230.

Almost surely, 2^309995059984 is an apocalyptic number.

309995059984 is the 556772-nd square number.

It is an amenable number.

309995059984 is a deficient number, since it is larger than the sum of its proper divisors (296656214063).

309995059984 is an frugal number, since it uses more digits than its factorization.

309995059984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2780 (or 1388 counting only the distinct ones).

The product of its (nonzero) digits is 141717600, while the sum is 70.

The spelling of 309995059984 in words is "three hundred nine billion, nine hundred ninety-five million, fifty-nine thousand, nine hundred eighty-four".