2027581868 has 48 divisors (see below), whose sum is σ = 3886444800. Its totient is φ = 919968000.

The previous prime is 2027581849. The next prime is 2027581873. The reversal of 2027581868 is 8681857202.

It is a super-2 number, since 2×2027581868² = 8222176462884738848, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 781253 + ... + 783843.

It is an arithmetic number, because the mean of its divisors is an integer number (80967600).

Almost surely, 2^2027581868 is an apocalyptic number.

It is an amenable number.

2027581868 is a deficient number, since it is larger than the sum of its proper divisors (1858862932).

2027581868 is a wasteful number, since it uses less digits than its factorization.

2027581868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2858 (or 2856 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 47.

The square root of 2027581868 is about 45028.6782839559. The cubic root of 2027581868 is about 1265.6864564644.

The spelling of 2027581868 in words is "two billion, twenty-seven million, five hundred eighty-one thousand, eight hundred sixty-eight".