2649180328 has 16 divisors (see below), whose sum is σ = 4984894260. Its totient is φ = 1319875200.

The previous prime is 2649180311. The next prime is 2649180343. The reversal of 2649180328 is 8230819462.

2649180328 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2535928164 + 113252164 = 50358^2 + 10642^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 586983 + ... + 591478.

Almost surely, 2^2649180328 is an apocalyptic number.

It is an amenable number.

2649180328 is a deficient number, since it is larger than the sum of its proper divisors (2335713932).

2649180328 is a wasteful number, since it uses less digits than its factorization.

2649180328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1178748 (or 1178744 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 2649180328 is about 51470.1887309538. The cubic root of 2649180328 is about 1383.6848116160.

The spelling of 2649180328 in words is "two billion, six hundred forty-nine million, one hundred eighty thousand, three hundred twenty-eight".