647352107340 has 192 divisors, whose sum is σ = 1912222287360. Its totient is φ = 163404666880.

The previous prime is 647352107329. The next prime is 647352107357. The reversal of 647352107340 is 43701253746.

It is a junction number, because it is equal to n+sod(n) for n = 647352107292 and 647352107301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18901912 + ... + 18936128.

It is an arithmetic number, because the mean of its divisors is an integer number (9959491080).

Almost surely, 2^647352107340 is an apocalyptic number.

647352107340 is a gapful number since it is divisible by the number (60) 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 647352107340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (956111143680).

647352107340 is an abundant number, since it is smaller than the sum of its proper divisors (1264870180020).

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

647352107340 is a wasteful number, since it uses less digits than its factorization.

647352107340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34472 (or 34470 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 42.

The spelling of 647352107340 in words is "six hundred forty-seven billion, three hundred fifty-two million, one hundred seven thousand, three hundred forty".