6413240466240 has 56 divisors (see below), whose sum is σ = 20362038483360. Its totient is φ = 1710197457408.

The previous prime is 6413240466221. The next prime is 6413240466263. The reversal of 6413240466240 is 426640423146.

It is a happy number.

It is a super-2 number, since 2×6413240466240² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6413240466192 and 6413240466201.

It is a congruent number.

It is an unprimeable number.

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, 3340228450 + ... + 3340230369.

It is an arithmetic number, because the mean of its divisors is an integer number (363607830060).

Almost surely, 2^{6413240466240} is an apocalyptic number.

6413240466240 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6413240466240 is an abundant number, since it is smaller than the sum of its proper divisors (13948798017120).

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

6413240466240 is a wasteful number, since it uses less digits than its factorization.

6413240466240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6680458839 (or 6680458829 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 42.

Adding to 6413240466240 its reverse (426640423146), we get a palindrome (6839880889386).

The spelling of 6413240466240 in words is "six trillion, four hundred thirteen billion, two hundred forty million, four hundred sixty-six thousand, two hundred forty".