2578159000 has 64 divisors (see below), whose sum is σ = 6051895200. Its totient is φ = 1028016000.

The previous prime is 2578158971. The next prime is 2578159019. The reversal of 2578159000 is 9518752.

2578159000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 327106 + ... + 334894.

Almost surely, 2^2578159000 is an apocalyptic number.

2578159000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2578159000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3025947600).

2578159000 is an abundant number, since it is smaller than the sum of its proper divisors (3473736200).

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

2578159000 is a wasteful number, since it uses less digits than its factorization.

2578159000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8141 (or 8127 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 37.

The square root of 2578159000 is about 50775.5748367264. The cubic root of 2578159000 is about 1371.2076658287.

It can be divided in two parts, 257815 and 9000, that added together give a triangular number (266815 = T₇₃₀).

The spelling of 2578159000 in words is "two billion, five hundred seventy-eight million, one hundred fifty-nine thousand".