304020412443 has 12 divisors (see below), whose sum is σ = 479062468248. Its totient is φ = 184254795360.

The previous prime is 304020412427. The next prime is 304020412457. The reversal of 304020412443 is 344214020403.

It is a happy number.

304020412443 is a `hidden beast` number, since 3 + 0 + 4 + 0 + 204 + 12 + 443 = 666.

It is not a de Polignac number, because 304020412443 - 2⁴ = 304020412427 is a prime.

It is a super-2 number, since 2×304020412443² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (304020412343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1535456530 + ... + 1535456727.

It is an arithmetic number, because the mean of its divisors is an integer number (39921872354).

Almost surely, 2^304020412443 is an apocalyptic number.

304020412443 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

304020412443 is a deficient number, since it is larger than the sum of its proper divisors (175042055805).

304020412443 is a wasteful number, since it uses less digits than its factorization.

304020412443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3070913274 (or 3070913271 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 304020412443 its reverse (344214020403), we get a palindrome (648234432846).

The spelling of 304020412443 in words is "three hundred four billion, twenty million, four hundred twelve thousand, four hundred forty-three".