6347533120440 has 32 divisors (see below), whose sum is σ = 19042599361680. Its totient is φ = 1692675498752.

The previous prime is 6347533120433. The next prime is 6347533120457. The reversal of 6347533120440 is 440213357436.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 6347533120392 and 6347533120401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26448054549 + ... + 26448054788.

Almost surely, 2^{6347533120440} is an apocalyptic number.

6347533120440 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6347533120440 is an abundant number, since it is smaller than the sum of its proper divisors (12695066241240).

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

6347533120440 is a wasteful number, since it uses less digits than its factorization.

6347533120440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52896109351 (or 52896109347 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 42.

Adding to 6347533120440 its reverse (440213357436), we get a palindrome (6787746477876).

The spelling of 6347533120440 in words is "six trillion, three hundred forty-seven billion, five hundred thirty-three million, one hundred twenty thousand, four hundred forty".