1204304353728 has 336 divisors, whose sum is σ = 3740049619200. Its totient is φ = 340998045696.

The previous prime is 1204304353727. The next prime is 1204304353751. The reversal of 1204304353728 is 8273534034021.

It is a tau number, because it is divible by the number of its divisors (336).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 1204304353728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204304353723) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 529829200 + ... + 529831472.

Almost surely, 2^{1204304353728} 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 1204304353728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1870024809600).

1204304353728 is an abundant number, since it is smaller than the sum of its proper divisors (2535745265472).

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

1204304353728 is a wasteful number, since it uses less digits than its factorization.

1204304353728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2784 (or 2767 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 42.

Adding to 1204304353728 its reverse (8273534034021), we get a palindrome (9477838387749).

The spelling of 1204304353728 in words is "one trillion, two hundred four billion, three hundred four million, three hundred fifty-three thousand, seven hundred twenty-eight".