2081448828 has 36 divisors (see below), whose sum is σ = 5299304920. Its totient is φ = 688823136.

The previous prime is 2081448827. The next prime is 2081448829. The reversal of 2081448828 is 8288441802.

It is an interprime number because it is at equal distance from previous prime (2081448827) and next prime (2081448829).

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2081448821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 202975 + ... + 212982.

Almost surely, 2^2081448828 is an apocalyptic number.

It is an amenable number.

2081448828 is an abundant number, since it is smaller than the sum of its proper divisors (3217856092).

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

2081448828 is a wasteful number, since it uses less digits than its factorization.

2081448828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416106 (or 416101 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 45.

The square root of 2081448828 is about 45622.8980666507. The cubic root of 2081448828 is about 1276.7971740261.

The spelling of 2081448828 in words is "two billion, eighty-one million, four hundred forty-eight thousand, eight hundred twenty-eight".