305304220430 has 128 divisors (see below), whose sum is σ = 644966945280. Its totient is φ = 102823280640.

The previous prime is 305304220399. The next prime is 305304220483. The reversal of 305304220430 is 34022403503.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 305304220430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 32464109 + ... + 32473511.

It is an arithmetic number, because the mean of its divisors is an integer number (5038804260).

Almost surely, 2^305304220430 is an apocalyptic number.

305304220430 is an abundant number, since it is smaller than the sum of its proper divisors (339662724850).

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

305304220430 is a wasteful number, since it uses less digits than its factorization.

305304220430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9714.

The product of its (nonzero) digits is 8640, while the sum is 26.

Adding to 305304220430 its reverse (34022403503), we get a palindrome (339326623933).

The spelling of 305304220430 in words is "three hundred five billion, three hundred four million, two hundred twenty thousand, four hundred thirty".