2851371648 has 384 divisors, whose sum is σ = 9356256000. Its totient is φ = 828112896.

The previous prime is 2851371623. The next prime is 2851371689. The reversal of 2851371648 is 8461731582.

2851371648 is a `hidden beast` number, since 2 + 8 + 513 + 71 + 64 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29395536 + ... + 29395632.

It is an arithmetic number, because the mean of its divisors is an integer number (24365250).

Almost surely, 2^2851371648 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 2851371648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4678128000).

2851371648 is an abundant number, since it is smaller than the sum of its proper divisors (6504884352).

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

2851371648 is a wasteful number, since it uses less digits than its factorization.

2851371648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232 (or 217 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 2851371648 is about 53398.2363753711. The cubic root of 2851371648 is about 1418.0273554561.

The spelling of 2851371648 in words is "two billion, eight hundred fifty-one million, three hundred seventy-one thousand, six hundred forty-eight".