10780448660 has 24 divisors (see below), whose sum is σ = 22736114856. Its totient is φ = 4293670400.

The previous prime is 10780448641. The next prime is 10780448669. The reversal of 10780448660 is 6684408701.

It can be written as a sum of positive squares in 4 ways, for example, as 557620996 + 10222827664 = 23614^2 + 101108^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10780448669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1152041 + ... + 1161360.

It is an arithmetic number, because the mean of its divisors is an integer number (947338119).

Almost surely, 2^10780448660 is an apocalyptic number.

10780448660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10780448660 is an abundant number, since it is smaller than the sum of its proper divisors (11955666196).

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

10780448660 is a wasteful number, since it uses less digits than its factorization.

10780448660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2313643 (or 2313641 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 44.

The spelling of 10780448660 in words is "ten billion, seven hundred eighty million, four hundred forty-eight thousand, six hundred sixty".