308142844680 has 256 divisors, whose sum is σ = 1018949621760. Its totient is φ = 74543589120.

The previous prime is 308142844673. The next prime is 308142844697. The reversal of 308142844680 is 86448241803.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 87365077 + ... + 87368603.

It is an arithmetic number, because the mean of its divisors is an integer number (3980271960).

Almost surely, 2^308142844680 is an apocalyptic number.

308142844680 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 308142844680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (509474810880).

308142844680 is an abundant number, since it is smaller than the sum of its proper divisors (710806777080).

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

308142844680 is a wasteful number, since it uses less digits than its factorization.

308142844680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4121 (or 4095 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 48.

The spelling of 308142844680 in words is "three hundred eight billion, one hundred forty-two million, eight hundred forty-four thousand, six hundred eighty".