10880320 has 84 divisors (see below), whose sum is σ = 28579572. Its totient is φ = 3942400.

The previous prime is 10880299. The next prime is 10880321. The reversal of 10880320 is 2308801.

It can be written as a sum of positive squares in 2 ways, for example, as 5645376 + 5234944 = 2376^2 + 2288^2 .

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 10880291 and 10880300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10880321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38580 + ... + 38860.

It is an arithmetic number, because the mean of its divisors is an integer number (340233).

Almost surely, 2^10880320 is an apocalyptic number.

10880320 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 10880320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14289786).

10880320 is an abundant number, since it is smaller than the sum of its proper divisors (17699252).

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

10880320 is a wasteful number, since it uses less digits than its factorization.

10880320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320 (or 299 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 10880320 is about 3298.5330072625. The cubic root of 10880320 is about 221.5885026639.

The spelling of 10880320 in words is "ten million, eight hundred eighty thousand, three hundred twenty".