1352343533440 has 64 divisors (see below), whose sum is σ = 3254356732320. Its totient is φ = 537355008000.

The previous prime is 1352343533407. The next prime is 1352343533441. The reversal of 1352343533440 is 443353432531.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 1352343533393 and 1352343533402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1352343533441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6900171 + ... + 7093450.

Almost surely, 2^{1352343533440} is an apocalyptic number.

1352343533440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1352343533440 is an abundant number, since it is smaller than the sum of its proper divisors (1902013198880).

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

1352343533440 is a wasteful number, since it uses less digits than its factorization.

1352343533440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13993791 (or 13993779 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 40.

Adding to 1352343533440 its reverse (443353432531), we get a palindrome (1795696965971).

The spelling of 1352343533440 in words is "one trillion, three hundred fifty-two billion, three hundred forty-three million, five hundred thirty-three thousand, four hundred forty".