6462604600640 has 28 divisors (see below), whose sum is σ = 15389077206036. Its totient is φ = 2585041840128.

The previous prime is 6462604600601. The next prime is 6462604600663. The reversal of 6462604600640 is 460064062646.

It can be written as a sum of positive squares in 2 ways, for example, as 3315982728256 + 3146621872384 = 1820984^2 + 1773872^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6462604600591 and 6462604600600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10097819369 + ... + 10097820008.

Almost surely, 2^{6462604600640} is an apocalyptic number.

It is an amenable number.

6462604600640 is an abundant number, since it is smaller than the sum of its proper divisors (8926472605396).

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

6462604600640 is a wasteful number, since it uses less digits than its factorization.

6462604600640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20195639394 (or 20195639384 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 44.

The spelling of 6462604600640 in words is "six trillion, four hundred sixty-two billion, six hundred four million, six hundred thousand, six hundred forty".