304040012000 has 192 divisors, whose sum is σ = 763499265984. Its totient is φ = 118948710400.

The previous prime is 304040011991. The next prime is 304040012099. The reversal of 304040012000 is 210040403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73561934 + ... + 73566066.

It is an arithmetic number, because the mean of its divisors is an integer number (3976558677).

Almost surely, 2^304040012000 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 304040012000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (381749632992).

304040012000 is an abundant number, since it is smaller than the sum of its proper divisors (459459253984).

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

304040012000 is a wasteful number, since it uses less digits than its factorization.

304040012000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4558 (or 4540 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 304040012000 its reverse (210040403), we get a palindrome (304250052403).

The spelling of 304040012000 in words is "three hundred four billion, forty million, twelve thousand".