305164056320 has 36 divisors (see below), whose sum is σ = 730963281720. Its totient is φ = 122065622016.

The previous prime is 305164056313. The next prime is 305164056341. The reversal of 305164056320 is 23650461503.

It is a super-2 number, since 2×305164056320² (a number of 24 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 119203430 + ... + 119205989.

Almost surely, 2^305164056320 is an apocalyptic number.

It is an amenable number.

305164056320 is an abundant number, since it is smaller than the sum of its proper divisors (425799225400).

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

305164056320 is an equidigital number, since it uses as much as digits as its factorization.

305164056320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238409440 (or 238409426 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

The spelling of 305164056320 in words is "three hundred five billion, one hundred sixty-four million, fifty-six thousand, three hundred twenty".