2566215000 has 160 divisors (see below), whose sum is σ = 8908086000. Its totient is φ = 684288000.

The previous prime is 2566214953. The next prime is 2566215073. The reversal of 2566215000 is 5126652.

2566215000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 125496 + ... + 144504.

Almost surely, 2^2566215000 is an apocalyptic number.

2566215000 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 2566215000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4454043000).

2566215000 is an abundant number, since it is smaller than the sum of its proper divisors (6341871000).

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

2566215000 is a wasteful number, since it uses less digits than its factorization.

2566215000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19044 (or 19019 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 2566215000 is about 50657.8226930451. The cubic root of 2566215000 is about 1369.0868939914.

The spelling of 2566215000 in words is "two billion, five hundred sixty-six million, two hundred fifteen thousand".