304240400420 has 48 divisors (see below), whose sum is σ = 697177490688. Its totient is φ = 110602652160.

The previous prime is 304240400417. The next prime is 304240400437. The reversal of 304240400420 is 24004042403.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 626309 + ... + 1000371.

It is an arithmetic number, because the mean of its divisors is an integer number (14524531056).

Almost surely, 2^304240400420 is an apocalyptic number.

It is an amenable number.

304240400420 is an abundant number, since it is smaller than the sum of its proper divisors (392937090268).

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

304240400420 is a wasteful number, since it uses less digits than its factorization.

304240400420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377780 (or 377778 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

Adding to 304240400420 its reverse (24004042403), we get a palindrome (328244442823).

The spelling of 304240400420 in words is "three hundred four billion, two hundred forty million, four hundred thousand, four hundred twenty".