309827986046880 has 192 divisors, whose sum is σ = 1119496549183488. Its totient is φ = 70556504785920.

The previous prime is 309827986046879. The next prime is 309827986046911. The reversal of 309827986046880 is 88640689728903.

It is a junction number, because it is equal to n+sod(n) for n = 309827986046796 and 309827986046805.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 169219902 + ... + 171041021.

It is an arithmetic number, because the mean of its divisors is an integer number (5830711193664).

Almost surely, 2^{309827986046880} is an apocalyptic number.

309827986046880 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

309827986046880 is an abundant number, since it is smaller than the sum of its proper divisors (809668563136608).

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

309827986046880 is a wasteful number, since it uses less digits than its factorization.

309827986046880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340261219 (or 340261211 counting only the distinct ones).

The product of its (nonzero) digits is 2006581248, while the sum is 78.

The spelling of 309827986046880 in words is "three hundred nine trillion, eight hundred twenty-seven billion, nine hundred eighty-six million, forty-six thousand, eight hundred eighty".