2851045806 has 32 divisors (see below), whose sum is σ = 6605952768. Its totient is φ = 803424960.

The previous prime is 2851045787. The next prime is 2851045807. The reversal of 2851045806 is 6085401582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2851045807) 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, 461880 + ... + 468011.

It is an arithmetic number, because the mean of its divisors is an integer number (206436024).

Almost surely, 2^2851045806 is an apocalyptic number.

2851045806 is an abundant number, since it is smaller than the sum of its proper divisors (3754906962).

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

2851045806 is a wasteful number, since it uses less digits than its factorization.

2851045806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929976.

The product of its (nonzero) digits is 76800, while the sum is 39.

The square root of 2851045806 is about 53395.1852323784. The cubic root of 2851045806 is about 1417.9733381237.

The spelling of 2851045806 in words is "two billion, eight hundred fifty-one million, forty-five thousand, eight hundred six".