1025304443200 has 84 divisors (see below), whose sum is σ = 2525475878172. Its totient is φ = 409701376000.

The previous prime is 1025304443179. The next prime is 1025304443201. The reversal of 1025304443200 is 23444035201.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 40494317824 + 984810125376 = 201232^2 + 992376^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025304443201) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1235250 + ... + 1891150.

Almost surely, 2^{1025304443200} is an apocalyptic number.

1025304443200 is a gapful number since it is divisible by the number (10) 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 1025304443200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1262737939086).

1025304443200 is an abundant number, since it is smaller than the sum of its proper divisors (1500171434972).

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

1025304443200 is an equidigital number, since it uses as much as digits as its factorization.

1025304443200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656900 (or 656885 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 1025304443200 its reverse (23444035201), we get a palindrome (1048748478401).

The spelling of 1025304443200 in words is "one trillion, twenty-five billion, three hundred four million, four hundred forty-three thousand, two hundred".