10680645280 has 24 divisors (see below), whose sum is σ = 25233024852. Its totient is φ = 4272258048.

The previous prime is 10680645271. The next prime is 10680645281. The reversal of 10680645280 is 8254608601.

It can be written as a sum of positive squares in 2 ways, for example, as 10480026384 + 200618896 = 102372^2 + 14164^2 .

It is a super-2 number, since 2×10680645280² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (10680645281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33376857 + ... + 33377176.

Almost surely, 2^10680645280 is an apocalyptic number.

10680645280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10680645280 is an abundant number, since it is smaller than the sum of its proper divisors (14552379572).

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

10680645280 is an equidigital number, since it uses as much as digits as its factorization.

10680645280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66754048 (or 66754040 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The spelling of 10680645280 in words is "ten billion, six hundred eighty million, six hundred forty-five thousand, two hundred eighty".