2155482808 has 16 divisors (see below), whose sum is σ = 4042269000. Its totient is φ = 1077544416.

The previous prime is 2155482757. The next prime is 2155482821. The reversal of 2155482808 is 8082845512.

It is a super-3 number, since 3×2155482808³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 28663 + ... + 71641.

Almost surely, 2^2155482808 is an apocalyptic number.

It is an amenable number.

2155482808 is a deficient number, since it is larger than the sum of its proper divisors (1886786192).

2155482808 is a wasteful number, since it uses less digits than its factorization.

2155482808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49254 (or 49250 counting only the distinct ones).

The product of its (nonzero) digits is 204800, while the sum is 43.

The square root of 2155482808 is about 46427.1774718214. The cubic root of 2155482808 is about 1291.7590744646.

The spelling of 2155482808 in words is "two billion, one hundred fifty-five million, four hundred eighty-two thousand, eight hundred eight".