10643310344340 has 120 divisors (see below), whose sum is σ = 33719038064712. Its totient is φ = 2810114899200.

The previous prime is 10643310344311. The next prime is 10643310344347. The reversal of 10643310344340 is 4344301334601.

10643310344340 is a `hidden beast` number, since 1 + 0 + 643 + 3 + 1 + 0 + 3 + 4 + 4 + 3 + 4 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2726976638736 + 7916333705604 = 1651356^2 + 2813598^2 .

It is a super-2 number, since 2×10643310344340² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 10643310344295 and 10643310344304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10643310344347) 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 39 ways as a sum of consecutive naturals, for example, 32360859 + ... + 32688098.

Almost surely, 2^{10643310344340} is an apocalyptic number.

10643310344340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10643310344340 is an abundant number, since it is smaller than the sum of its proper divisors (23075727720372).

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

10643310344340 is a wasteful number, since it uses less digits than its factorization.

10643310344340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65049079 (or 65049068 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 36.

Adding to 10643310344340 its reverse (4344301334601), we get a palindrome (14987611678941).

The spelling of 10643310344340 in words is "ten trillion, six hundred forty-three billion, three hundred ten million, three hundred forty-four thousand, three hundred forty".