1324402131040 has 96 divisors (see below), whose sum is σ = 3151118013120. Its totient is φ = 526002432000.

The previous prime is 1324402130983. The next prime is 1324402131047. The reversal of 1324402131040 is 401312044231.

It is a junction number, because it is equal to n+sod(n) for n = 1324402130996 and 1324402131014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1324402131047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55773570 + ... + 55797310.

It is an arithmetic number, because the mean of its divisors is an integer number (32824145970).

Almost surely, 2^{1324402131040} is an apocalyptic number.

1324402131040 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 1324402131040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1575559006560).

1324402131040 is an abundant number, since it is smaller than the sum of its proper divisors (1826715882080).

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

1324402131040 is a wasteful number, since it uses less digits than its factorization.

1324402131040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26216 (or 26208 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 1324402131040 its reverse (401312044231), we get a palindrome (1725714175271).

The spelling of 1324402131040 in words is "one trillion, three hundred twenty-four billion, four hundred two million, one hundred thirty-one thousand, forty".