304401203340 has 48 divisors (see below), whose sum is σ = 917886707808. Its totient is φ = 74929526784.

The previous prime is 304401203317. The next prime is 304401203347. The reversal of 304401203340 is 43302104403.

It is a self number, because there is not a number n which added to its sum of digits gives 304401203340.

It is not an unprimeable number, because it can be changed into a prime (304401203347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195128197 + ... + 195129756.

It is an arithmetic number, because the mean of its divisors is an integer number (19122639746).

Almost surely, 2^304401203340 is an apocalyptic number.

304401203340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

304401203340 is an abundant number, since it is smaller than the sum of its proper divisors (613485504468).

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

304401203340 is a wasteful number, since it uses less digits than its factorization.

304401203340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390257978 (or 390257976 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 304401203340 its reverse (43302104403), we get a palindrome (347703307743).

The spelling of 304401203340 in words is "three hundred four billion, four hundred one million, two hundred three thousand, three hundred forty".