305397710380 has 24 divisors (see below), whose sum is σ = 732954505248. Its totient is φ = 104707786368.

The previous prime is 305397710353. The next prime is 305397710389. The reversal of 305397710380 is 83017793503.

It is a self number, because there is not a number n which added to its sum of digits gives 305397710380.

It is not an unprimeable number, because it can be changed into a prime (305397710389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1090705969 + ... + 1090706248.

It is an arithmetic number, because the mean of its divisors is an integer number (30539771052).

Almost surely, 2^305397710380 is an apocalyptic number.

It is an amenable number.

305397710380 is an abundant number, since it is smaller than the sum of its proper divisors (427556794868).

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

305397710380 is a wasteful number, since it uses less digits than its factorization.

305397710380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2181412233 (or 2181412231 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 46.

The spelling of 305397710380 in words is "three hundred five billion, three hundred ninety-seven million, seven hundred ten thousand, three hundred eighty".