305204355340 has 48 divisors (see below), whose sum is σ = 677957289408. Its totient is φ = 115174185984.

The previous prime is 305204355311. The next prime is 305204355373. The reversal of 305204355340 is 43553402503.

It is a junction number, because it is equal to n+sod(n) for n = 305204355296 and 305204355305.

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 15 ways as a sum of consecutive naturals, for example, 4510857 + ... + 4578016.

It is an arithmetic number, because the mean of its divisors is an integer number (14124110196).

Almost surely, 2^305204355340 is an apocalyptic number.

It is an amenable number.

305204355340 is an abundant number, since it is smaller than the sum of its proper divisors (372752934068).

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

305204355340 is a wasteful number, since it uses less digits than its factorization.

305204355340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9088978 (or 9088976 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 34.

Adding to 305204355340 its reverse (43553402503), we get a palindrome (348757757843).

The spelling of 305204355340 in words is "three hundred five billion, two hundred four million, three hundred fifty-five thousand, three hundred forty".