304635645420 has 96 divisors (see below), whose sum is σ = 859091197440. Its totient is φ = 80655160320.

The previous prime is 304635645401. The next prime is 304635645427. The reversal of 304635645420 is 24546536403.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (304635645427) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9852585 + ... + 9883455.

It is an arithmetic number, because the mean of its divisors is an integer number (8948866640).

Almost surely, 2^304635645420 is an apocalyptic number.

304635645420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 304635645420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (429545598720).

304635645420 is an abundant number, since it is smaller than the sum of its proper divisors (554455552020).

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

304635645420 is a wasteful number, since it uses less digits than its factorization.

304635645420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32055 (or 32053 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 42.

The spelling of 304635645420 in words is "three hundred four billion, six hundred thirty-five million, six hundred forty-five thousand, four hundred twenty".