2255435820 has 96 divisors (see below), whose sum is σ = 7654832640. Its totient is φ = 546770880.

The previous prime is 2255435803. The next prime is 2255435843. The reversal of 2255435820 is 285345522.

It is a happy number.

2255435820 is a `hidden beast` number, since 2 + 25 + 54 + 3 + 582 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 183912 + ... + 195791.

It is an arithmetic number, because the mean of its divisors is an integer number (79737840).

Almost surely, 2^2255435820 is an apocalyptic number.

2255435820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2255435820 is an abundant number, since it is smaller than the sum of its proper divisors (5399396820).

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

2255435820 is a wasteful number, since it uses less digits than its factorization.

2255435820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379732 (or 379724 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

The square root of 2255435820 is about 47491.4289109098. The cubic root of 2255435820 is about 1311.4250987013.

The spelling of 2255435820 in words is "two billion, two hundred fifty-five million, four hundred thirty-five thousand, eight hundred twenty".