305453012300 has 72 divisors (see below), whose sum is σ = 674340641520. Its totient is φ = 120061670400.

The previous prime is 305453012279. The next prime is 305453012317. The reversal of 305453012300 is 3210354503.

It is a self number, because there is not a number n which added to its sum of digits gives 305453012300.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16847240 + ... + 16865360.

Almost surely, 2^305453012300 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 305453012300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (337170320760).

305453012300 is an abundant number, since it is smaller than the sum of its proper divisors (368887629220).

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

305453012300 is a wasteful number, since it uses less digits than its factorization.

305453012300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21051 (or 21044 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 26.

Adding to 305453012300 its reverse (3210354503), we get a palindrome (308663366803).

The spelling of 305453012300 in words is "three hundred five billion, four hundred fifty-three million, twelve thousand, three hundred".