1324223304240 has 320 divisors, whose sum is σ = 4341322137600. Its totient is φ = 333362921472.

The previous prime is 1324223304167. The next prime is 1324223304281. The reversal of 1324223304240 is 424033224231.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1324223304198 and 1324223304207.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 617928609 + ... + 617930751.

It is an arithmetic number, because the mean of its divisors is an integer number (13566631680).

Almost surely, 2^{1324223304240} is an apocalyptic number.

1324223304240 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 1324223304240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2170661068800).

1324223304240 is an abundant number, since it is smaller than the sum of its proper divisors (3017098833360).

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

1324223304240 is a wasteful number, since it uses less digits than its factorization.

1324223304240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4124 (or 4118 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 1324223304240 its reverse (424033224231), we get a palindrome (1748256528471).

The spelling of 1324223304240 in words is "one trillion, three hundred twenty-four billion, two hundred twenty-three million, three hundred four thousand, two hundred forty".