2081557848 has 32 divisors (see below), whose sum is σ = 5209412400. Its totient is φ = 693116928.

The previous prime is 2081557847. The next prime is 2081557897. The reversal of 2081557848 is 8487551802.

It is a super-2 number, since 2×2081557848² = 8665766149140782208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2081557797 and 2081557806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2081557847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22633 + ... + 68376.

Almost surely, 2^2081557848 is an apocalyptic number.

It is an amenable number.

2081557848 is an abundant number, since it is smaller than the sum of its proper divisors (3127854552).

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

2081557848 is a wasteful number, since it uses less digits than its factorization.

2081557848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91971 (or 91967 counting only the distinct ones).

The product of its (nonzero) digits is 716800, while the sum is 48.

The square root of 2081557848 is about 45624.0928457761. The cubic root of 2081557848 is about 1276.8194652295.

The spelling of 2081557848 in words is "two billion, eighty-one million, five hundred fifty-seven thousand, eight hundred forty-eight".