10688055840 has 1152 divisors, whose sum is σ = 49421352960. Its totient is φ = 2107607040.

The previous prime is 10688055827. The next prime is 10688055841. The reversal of 10688055840 is 4855088601.

10688055840 is a `hidden beast` number, since 1 + 0 + 68 + 8 + 0 + 5 + 584 + 0 = 666.

It is a super-2 number, since 2×10688055840² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (10688055841) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 84157857 + ... + 84157983.

It is an arithmetic number, because the mean of its divisors is an integer number (42900480).

Almost surely, 2^10688055840 is an apocalyptic number.

10688055840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10688055840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24710676480).

10688055840 is an abundant number, since it is smaller than the sum of its proper divisors (38733297120).

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

10688055840 is a wasteful number, since it uses less digits than its factorization.

10688055840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 45.

The spelling of 10688055840 in words is "ten billion, six hundred eighty-eight million, fifty-five thousand, eight hundred forty".