10688806840 has 32 divisors (see below), whose sum is σ = 24074670960. Its totient is φ = 4271104000.

The previous prime is 10688806823. The next prime is 10688806841. The reversal of 10688806840 is 4860888601.

It is a super-2 number, since 2×10688806840² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10688806841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98761 + ... + 176440.

Almost surely, 2^10688806840 is an apocalyptic number.

10688806840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10688806840 is an abundant number, since it is smaller than the sum of its proper divisors (13385864120).

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

10688806840 is a wasteful number, since it uses less digits than its factorization.

10688806840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276183 (or 276179 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 49.

The spelling of 10688806840 in words is "ten billion, six hundred eighty-eight million, eight hundred six thousand, eight hundred forty".