308985830180 has 12 divisors (see below), whose sum is σ = 648870243420. Its totient is φ = 123594332064.

The previous prime is 308985830137. The next prime is 308985830233. The reversal of 308985830180 is 81038589803.

It can be written as a sum of positive squares in 2 ways, for example, as 71284728064 + 237701102116 = 266992^2 + 487546^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7724645735 + ... + 7724645774.

It is an arithmetic number, because the mean of its divisors is an integer number (54072520285).

Almost surely, 2^308985830180 is an apocalyptic number.

It is an amenable number.

308985830180 is an abundant number, since it is smaller than the sum of its proper divisors (339884413240).

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

308985830180 is a wasteful number, since it uses less digits than its factorization.

308985830180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15449291518 (or 15449291516 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 53.

The spelling of 308985830180 in words is "three hundred eight billion, nine hundred eighty-five million, eight hundred thirty thousand, one hundred eighty".