2669785280 has 28 divisors (see below), whose sum is σ = 6357426960. Its totient is φ = 1067913984.

The previous prime is 2669785277. The next prime is 2669785289. The reversal of 2669785280 is 825879662.

It is not an unprimeable number, because it can be changed into a prime (2669785289) 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 3 ways as a sum of consecutive naturals, for example, 4171220 + ... + 4171859.

Almost surely, 2^2669785280 is an apocalyptic number.

2669785280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2669785280 is an abundant number, since it is smaller than the sum of its proper divisors (3687641680).

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

2669785280 is an equidigital number, since it uses as much as digits as its factorization.

2669785280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8343096 (or 8343086 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 53.

The square root of 2669785280 is about 51669.9649699901. The cubic root of 2669785280 is about 1387.2629195338.

The spelling of 2669785280 in words is "two billion, six hundred sixty-nine million, seven hundred eighty-five thousand, two hundred eighty".