10110646640 has 80 divisors (see below), whose sum is σ = 25562863872. Its totient is φ = 3703468032.

The previous prime is 10110646633. The next prime is 10110646673. The reversal of 10110646640 is 4664601101.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50144 + ... + 150783.

Almost surely, 2^10110646640 is an apocalyptic number.

10110646640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10110646640 is an abundant number, since it is smaller than the sum of its proper divisors (15452217232).

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

10110646640 is a wasteful number, since it uses less digits than its factorization.

10110646640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200994 (or 200988 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 10110646640 in words is "ten billion, one hundred ten million, six hundred forty-six thousand, six hundred forty".