2529827856 has 80 divisors (see below), whose sum is σ = 7277867520. Its totient is φ = 841380480.

The previous prime is 2529827849. The next prime is 2529827917. The reversal of 2529827856 is 6587289252.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 192801 + ... + 205503.

It is an arithmetic number, because the mean of its divisors is an integer number (90973344).

Almost surely, 2^2529827856 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 2529827856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3638933760).

2529827856 is an abundant number, since it is smaller than the sum of its proper divisors (4748039664).

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

2529827856 is a wasteful number, since it uses less digits than its factorization.

2529827856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13181 (or 13169 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 54.

The square root of 2529827856 is about 50297.3941273303. The cubic root of 2529827856 is about 1362.5851664745.

The spelling of 2529827856 in words is "two billion, five hundred twenty-nine million, eight hundred twenty-seven thousand, eight hundred fifty-six".