1325322450444 has 24 divisors (see below), whose sum is σ = 3109695140160. Its totient is φ = 439306137424.

The previous prime is 1325322450421. The next prime is 1325322450457. The reversal of 1325322450444 is 4440542235231.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308499354 + ... + 308503649.

It is an arithmetic number, because the mean of its divisors is an integer number (129570630840).

Almost surely, 2^{1325322450444} is an apocalyptic number.

It is an amenable number.

1325322450444 is an abundant number, since it is smaller than the sum of its proper divisors (1784372689716).

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

1325322450444 is a wasteful number, since it uses less digits than its factorization.

1325322450444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617003189 (or 617003187 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 39.

Adding to 1325322450444 its reverse (4440542235231), we get a palindrome (5765864685675).

The spelling of 1325322450444 in words is "one trillion, three hundred twenty-five billion, three hundred twenty-two million, four hundred fifty thousand, four hundred forty-four".