304143810840 has 192 divisors, whose sum is σ = 1012202231040. Its totient is φ = 79160336640.

The previous prime is 304143810823. The next prime is 304143810847. The reversal of 304143810840 is 48018341403.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 304143810795 and 304143810804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304143810847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23383779 + ... + 23396781.

It is an arithmetic number, because the mean of its divisors is an integer number (5271886620).

Almost surely, 2^304143810840 is an apocalyptic number.

304143810840 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 304143810840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (506101115520).

304143810840 is an abundant number, since it is smaller than the sum of its proper divisors (708058420200).

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

304143810840 is a wasteful number, since it uses less digits than its factorization.

304143810840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14574 (or 14567 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The spelling of 304143810840 in words is "three hundred four billion, one hundred forty-three million, eight hundred ten thousand, eight hundred forty".