2881473728 has 112 divisors (see below), whose sum is σ = 6902622720. Its totient is φ = 1165860864.

The previous prime is 2881473703. The next prime is 2881473797. The reversal of 2881473728 is 8273741882.

It is a tau number, because it is divible by the number of its divisors (112).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4281200 + ... + 4281872.

It is an arithmetic number, because the mean of its divisors is an integer number (61630560).

Almost surely, 2^2881473728 is an apocalyptic number.

2881473728 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2881473728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3451311360).

2881473728 is an abundant number, since it is smaller than the sum of its proper divisors (4021148992).

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

2881473728 is a wasteful number, since it uses less digits than its factorization.

2881473728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1214 (or 1204 counting only the distinct ones).

The product of its digits is 1204224, while the sum is 50.

The square root of 2881473728 is about 53679.3603538641. The cubic root of 2881473728 is about 1422.9999606571. Note that the first 4 decimals are identical.

The spelling of 2881473728 in words is "two billion, eight hundred eighty-one million, four hundred seventy-three thousand, seven hundred twenty-eight".