2680249920 has 112 divisors (see below), whose sum is σ = 9010424448. Its totient is φ = 672686080.

The previous prime is 2680249853. The next prime is 2680249921. The reversal of 2680249920 is 299420862.

It is not an unprimeable number, because it can be changed into a prime (2680249921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65796 + ... + 98435.

Almost surely, 2^2680249920 is an apocalyptic number.

2680249920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2680249920 is an abundant number, since it is smaller than the sum of its proper divisors (6330174528).

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

2680249920 is a wasteful number, since it uses less digits than its factorization.

2680249920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164268 (or 164258 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 2680249920 is about 51771.1301788941. The cubic root of 2680249920 is about 1389.0730876718.

The spelling of 2680249920 in words is "two billion, six hundred eighty million, two hundred forty-nine thousand, nine hundred twenty".