2081524648 has 32 divisors (see below), whose sum is σ = 4614220800. Its totient is φ = 861319872.

The previous prime is 2081524639. The next prime is 2081524681. The reversal of 2081524648 is 8464251802.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2081524648.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 639240 + ... + 642487.

It is an arithmetic number, because the mean of its divisors is an integer number (144194400).

Almost surely, 2^2081524648 is an apocalyptic number.

2081524648 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2081524648 is an abundant number, since it is smaller than the sum of its proper divisors (2532696152).

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

2081524648 is a wasteful number, since it uses less digits than its factorization.

2081524648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281769 (or 1281765 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 40.

The square root of 2081524648 is about 45623.7290014747. The cubic root of 2081524648 is about 1276.8126769433.

The spelling of 2081524648 in words is "two billion, eighty-one million, five hundred twenty-four thousand, six hundred forty-eight".