305220384952 has 24 divisors (see below), whose sum is σ = 665723034360. Its totient is φ = 130808736240.

The previous prime is 305220384943. The next prime is 305220384967. The reversal of 305220384952 is 259483022503.

It is a junction number, because it is equal to n+sod(n) for n = 305220384899 and 305220384908.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 389311324 + ... + 389312107.

It is an arithmetic number, because the mean of its divisors is an integer number (27738459765).

Almost surely, 2^305220384952 is an apocalyptic number.

It is an amenable number.

305220384952 is an abundant number, since it is smaller than the sum of its proper divisors (360502649408).

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

305220384952 is a wasteful number, since it uses less digits than its factorization.

305220384952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778623451 (or 778623440 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 305220384952 in words is "three hundred five billion, two hundred twenty million, three hundred eighty-four thousand, nine hundred fifty-two".