2255984620 has 24 divisors (see below), whose sum is σ = 4747478400. Its totient is φ = 900506112.

The previous prime is 2255984603. The next prime is 2255984623. The reversal of 2255984620 is 264895522.

It is not an unprimeable number, because it can be changed into a prime (2255984623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108165 + ... + 127324.

It is an arithmetic number, because the mean of its divisors is an integer number (197811600).

Almost surely, 2^2255984620 is an apocalyptic number.

2255984620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2255984620 is an abundant number, since it is smaller than the sum of its proper divisors (2491493780).

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

2255984620 is a wasteful number, since it uses less digits than its factorization.

2255984620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235977 (or 235975 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 43.

The square root of 2255984620 is about 47497.2064441689. The cubic root of 2255984620 is about 1311.5314568194.

The spelling of 2255984620 in words is "two billion, two hundred fifty-five million, nine hundred eighty-four thousand, six hundred twenty".