2820045888 has 112 divisors (see below), whose sum is σ = 9044147520. Its totient is φ = 854553600.

The previous prime is 2820045881. The next prime is 2820045953. The reversal of 2820045888 is 8885400282.

It is not an unprimeable number, because it can be changed into a prime (2820045881) 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, 55173 + ... + 93188.

Almost surely, 2^2820045888 is an apocalyptic number.

It is an amenable number.

2820045888 is an abundant number, since it is smaller than the sum of its proper divisors (6224101632).

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

2820045888 is a wasteful number, since it uses less digits than its factorization.

2820045888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148393 (or 148377 counting only the distinct ones).

The product of its (nonzero) digits is 327680, while the sum is 45.

The square root of 2820045888 is about 53104.1042481652. The cubic root of 2820045888 is about 1412.8153075615.

It can be divided in two parts, 28200 and 45888, that added together give a cube (74088 = 42³).

The spelling of 2820045888 in words is "two billion, eight hundred twenty million, forty-five thousand, eight hundred eighty-eight".