2576215320 has 512 divisors, whose sum is σ = 9909043200. Its totient is φ = 522547200.

The previous prime is 2576215249. The next prime is 2576215321. The reversal of 2576215320 is 235126752.

2576215320 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 not an unprimeable number, because it can be changed into a prime (2576215321) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 20285097 + ... + 20285223.

It is an arithmetic number, because the mean of its divisors is an integer number (19353600).

Almost surely, 2^2576215320 is an apocalyptic number.

2576215320 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 2576215320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4954521600).

2576215320 is an abundant number, since it is smaller than the sum of its proper divisors (7332827880).

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

2576215320 is a wasteful number, since it uses less digits than its factorization.

2576215320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239 (or 235 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 2576215320 is about 50756.4313166322. The cubic root of 2576215320 is about 1370.8629936601.

The spelling of 2576215320 in words is "two billion, five hundred seventy-six million, two hundred fifteen thousand, three hundred twenty".