2108115280 has 40 divisors (see below), whose sum is σ = 4993856712. Its totient is φ = 827334144.

The previous prime is 2108115239. The next prime is 2108115281. The reversal of 2108115280 is 825118012.

It can be written as a sum of positive squares in 4 ways, for example, as 228372544 + 1879742736 = 15112^2 + 43356^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2108115281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244359 + ... + 252838.

Almost surely, 2^2108115280 is an apocalyptic number.

2108115280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2108115280 is an abundant number, since it is smaller than the sum of its proper divisors (2885741432).

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

2108115280 is a wasteful number, since it uses less digits than its factorization.

2108115280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497263 (or 497257 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 28.

The square root of 2108115280 is about 45914.2165347510. The cubic root of 2108115280 is about 1282.2266095068.

The spelling of 2108115280 in words is "two billion, one hundred eight million, one hundred fifteen thousand, two hundred eighty".