2851520896 has 128 divisors (see below), whose sum is σ = 6697728000. Its totient is φ = 1208664576.

The previous prime is 2851520869. The next prime is 2851520899. The reversal of 2851520896 is 6980251582.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2851520899) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4697425 + ... + 4698031.

It is an arithmetic number, because the mean of its divisors is an integer number (52326000).

Almost surely, 2^2851520896 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 2851520896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3348864000).

2851520896 is an abundant number, since it is smaller than the sum of its proper divisors (3846207104).

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

2851520896 is an equidigital number, since it uses as much as digits as its factorization.

2851520896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749 (or 723 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 46.

The square root of 2851520896 is about 53399.6338564226. The cubic root of 2851520896 is about 1418.0520960700.

The spelling of 2851520896 in words is "two billion, eight hundred fifty-one million, five hundred twenty thousand, eight hundred ninety-six".