10678209640 has 32 divisors (see below), whose sum is σ = 27458254080. Its totient is φ = 3661100352.

The previous prime is 10678209599. The next prime is 10678209653. The reversal of 10678209640 is 4690287601.

It is a super-2 number, since 2×10678209640² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19067952 + ... + 19068511.

It is an arithmetic number, because the mean of its divisors is an integer number (858070440).

Almost surely, 2^10678209640 is an apocalyptic number.

10678209640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10678209640 is an abundant number, since it is smaller than the sum of its proper divisors (16780044440).

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

10678209640 is a wasteful number, since it uses less digits than its factorization.

10678209640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38136481 (or 38136477 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The spelling of 10678209640 in words is "ten billion, six hundred seventy-eight million, two hundred nine thousand, six hundred forty".