2660884280 has 16 divisors (see below), whose sum is σ = 5986989720. Its totient is φ = 1064353696.

The previous prime is 2660884277. The next prime is 2660884307. The reversal of 2660884280 is 824880662.

It is a super-2 number, since 2×2660884280² = 14160610303102236800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33261014 + ... + 33261093.

Almost surely, 2^2660884280 is an apocalyptic number.

2660884280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2660884280 is an abundant number, since it is smaller than the sum of its proper divisors (3326105440).

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

2660884280 is a wasteful number, since it uses less digits than its factorization.

2660884280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66522118 (or 66522114 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 44.

The square root of 2660884280 is about 51583.7598474559. The cubic root of 2660884280 is about 1385.7195026045.

The spelling of 2660884280 in words is "two billion, six hundred sixty million, eight hundred eighty-four thousand, two hundred eighty".