304002043400 has 96 divisors (see below), whose sum is σ = 774370303200. Its totient is φ = 110071564800.

The previous prime is 304002043361. The next prime is 304002043439. The reversal of 304002043400 is 4340200403.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (304002043361) and next prime (304002043439).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 216071 + ... + 809129.

It is an arithmetic number, because the mean of its divisors is an integer number (8066357325).

Almost surely, 2^304002043400 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 304002043400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (387185151600).

304002043400 is an abundant number, since it is smaller than the sum of its proper divisors (470368259800).

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

304002043400 is a wasteful number, since it uses less digits than its factorization.

304002043400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593319 (or 593310 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 304002043400 its reverse (4340200403), we get a palindrome (308342243803).

The spelling of 304002043400 in words is "three hundred four billion, two million, forty-three thousand, four hundred".