1324204520144 has 20 divisors (see below), whose sum is σ = 2798886827040. Its totient is φ = 601911145440.

The previous prime is 1324204520083. The next prime is 1324204520167. The reversal of 1324204520144 is 4410254024231.

It is a super-2 number, since 2×1324204520144² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1324204520144.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 3761944484 + ... + 3761944835.

It is an arithmetic number, because the mean of its divisors is an integer number (139944341352).

Almost surely, 2^{1324204520144} is an apocalyptic number.

It is an amenable number.

1324204520144 is an abundant number, since it is smaller than the sum of its proper divisors (1474682306896).

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

1324204520144 is a wasteful number, since it uses less digits than its factorization.

1324204520144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7523889338 (or 7523889332 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 1324204520144 its reverse (4410254024231), we get a palindrome (5734458544375).

It can be divided in two parts, 132420 and 4520144, that added together give a palindrome (4652564).

The spelling of 1324204520144 in words is "one trillion, three hundred twenty-four billion, two hundred four million, five hundred twenty thousand, one hundred forty-four".