2578840330 has 96 divisors (see below), whose sum is σ = 5433728832. Its totient is φ = 877493760.

The previous prime is 2578840289. The next prime is 2578840337. The reversal of 2578840330 is 330488752.

It is not an unprimeable number, because it can be changed into a prime (2578840337) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5821089 + ... + 5821531.

It is an arithmetic number, because the mean of its divisors is an integer number (56601342).

Almost surely, 2^2578840330 is an apocalyptic number.

2578840330 is an abundant number, since it is smaller than the sum of its proper divisors (2854888502).

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

2578840330 is a wasteful number, since it uses less digits than its factorization.

2578840330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772 (or 761 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 2578840330 is about 50782.2836233267. The cubic root of 2578840330 is about 1371.3284448591.

The spelling of 2578840330 in words is "two billion, five hundred seventy-eight million, eight hundred forty thousand, three hundred thirty".