2805994016 has 72 divisors (see below), whose sum is σ = 6633639936. Its totient is φ = 1163756160.

The previous prime is 2805994003. The next prime is 2805994027. The reversal of 2805994016 is 6104995082.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19745 + ... + 77471.

It is an arithmetic number, because the mean of its divisors is an integer number (92133888).

Almost surely, 2^2805994016 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 2805994016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3316819968).

2805994016 is an abundant number, since it is smaller than the sum of its proper divisors (3827645920).

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

2805994016 is a wasteful number, since it uses less digits than its factorization.

2805994016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57782 (or 57767 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 2805994016 is about 52971.6340695659. The cubic root of 2805994016 is about 1410.4647824763.

The spelling of 2805994016 in words is "two billion, eight hundred five million, nine hundred ninety-four thousand, sixteen".