306021808848 has 80 divisors (see below), whose sum is σ = 951045240320. Its totient is φ = 82832969088.

The previous prime is 306021808817. The next prime is 306021808871. The reversal of 306021808848 is 848808120603.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 306021808797 and 306021808806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23961490 + ... + 23974257.

It is an arithmetic number, because the mean of its divisors is an integer number (11888065504).

Almost surely, 2^306021808848 is an apocalyptic number.

306021808848 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

306021808848 is an abundant number, since it is smaller than the sum of its proper divisors (645023431472).

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

306021808848 is a wasteful number, since it uses less digits than its factorization.

306021808848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47935784 (or 47935778 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 48.

The spelling of 306021808848 in words is "three hundred six billion, twenty-one million, eight hundred eight thousand, eight hundred forty-eight".