2081152728 has 48 divisors (see below), whose sum is σ = 5660085600. Its totient is φ = 690809280.

The previous prime is 2081152681. The next prime is 2081152741. The reversal of 2081152728 is 8272511802.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2081152692 and 2081152701.

It is a congruent number.

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, 43263 + ... + 77678.

It is an arithmetic number, because the mean of its divisors is an integer number (117918450).

Almost surely, 2^2081152728 is an apocalyptic number.

It is an amenable number.

2081152728 is an abundant number, since it is smaller than the sum of its proper divisors (3578932872).

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

2081152728 is a wasteful number, since it uses less digits than its factorization.

2081152728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121192 (or 121185 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 36.

The square root of 2081152728 is about 45619.6528702269. The cubic root of 2081152728 is about 1276.7366268459.

The spelling of 2081152728 in words is "two billion, eighty-one million, one hundred fifty-two thousand, seven hundred twenty-eight".