1322324052440 has 32 divisors (see below), whose sum is σ = 3131820126000. Its totient is φ = 501091219584.

The previous prime is 1322324052391. The next prime is 1322324052443. The reversal of 1322324052440 is 442504232231.

It is a super-2 number, since 2×1322324052440² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1322324052397 and 1322324052406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322324052443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 869949275 + ... + 869950794.

Almost surely, 2^{1322324052440} is an apocalyptic number.

1322324052440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1322324052440 is an abundant number, since it is smaller than the sum of its proper divisors (1809496073560).

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

1322324052440 is a wasteful number, since it uses less digits than its factorization.

1322324052440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1739900099 (or 1739900095 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 1322324052440 its reverse (442504232231), we get a palindrome (1764828284671).

The spelling of 1322324052440 in words is "one trillion, three hundred twenty-two billion, three hundred twenty-four million, fifty-two thousand, four hundred forty".