2578328330 has 8 divisors (see below), whose sum is σ = 4640991012. Its totient is φ = 1031331328.

The previous prime is 2578328323. The next prime is 2578328339. The reversal of 2578328330 is 338238752.

It can be written as a sum of positive squares in 2 ways, for example, as 2567550241 + 10778089 = 50671^2 + 3283^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2578328339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128916407 + ... + 128916426.

Almost surely, 2^2578328330 is an apocalyptic number.

2578328330 is a deficient number, since it is larger than the sum of its proper divisors (2062662682).

2578328330 is a wasteful number, since it uses less digits than its factorization.

2578328330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257832840.

The product of its (nonzero) digits is 241920, while the sum is 41.

The square root of 2578328330 is about 50777.2422449270. The cubic root of 2578328330 is about 1371.2376848605.

The spelling of 2578328330 in words is "two billion, five hundred seventy-eight million, three hundred twenty-eight thousand, three hundred thirty".