2578539328 has 112 divisors (see below), whose sum is σ = 5661964800. Its totient is φ = 1159741440.

The previous prime is 2578539307. The next prime is 2578539331. The reversal of 2578539328 is 8239358752.

Its product of digits (3628800) is a multiple of the sum of its prime factors (1008).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3001363 + ... + 3002221.

Almost surely, 2^2578539328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2578539328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2830982400).

2578539328 is an abundant number, since it is smaller than the sum of its proper divisors (3083425472).

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

2578539328 is a wasteful number, since it uses less digits than its factorization.

2578539328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008 (or 998 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 52.

The square root of 2578539328 is about 50779.3198851659. The cubic root of 2578539328 is about 1371.2750890076.

The spelling of 2578539328 in words is "two billion, five hundred seventy-eight million, five hundred thirty-nine thousand, three hundred twenty-eight".