10640646048 has 48 divisors (see below), whose sum is σ = 28030466016. Its totient is φ = 3534339840.

The previous prime is 10640646043. The next prime is 10640646059. The reversal of 10640646048 is 84064604601.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×10640646048² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10640645997 and 10640646015.

It is not an unprimeable number, because it can be changed into a prime (10640646043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168663 + ... + 222998.

It is an arithmetic number, because the mean of its divisors is an integer number (583968042).

Almost surely, 2^10640646048 is an apocalyptic number.

It is an amenable number.

10640646048 is an abundant number, since it is smaller than the sum of its proper divisors (17389819968).

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

10640646048 is a wasteful number, since it uses less digits than its factorization.

10640646048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391957 (or 391949 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 39.

The spelling of 10640646048 in words is "ten billion, six hundred forty million, six hundred forty-six thousand, forty-eight".