255055277800 has 96 divisors (see below), whose sum is σ = 597638980800. Its totient is φ = 101226240000.

The previous prime is 255055277783. The next prime is 255055277809. The reversal of 255055277800 is 8772550552.

It is not an unprimeable number, because it can be changed into a prime (255055277809) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28051255 + ... + 28060345.

It is an arithmetic number, because the mean of its divisors is an integer number (6225406050).

Almost surely, 2^255055277800 is an apocalyptic number.

255055277800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255055277800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298819490400).

255055277800 is an abundant number, since it is smaller than the sum of its proper divisors (342583703000).

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

255055277800 is a wasteful number, since it uses less digits than its factorization.

255055277800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10187 (or 10178 counting only the distinct ones).

The product of its (nonzero) digits is 980000, while the sum is 46.

The spelling of 255055277800 in words is "two hundred fifty-five billion, fifty-five million, two hundred seventy-seven thousand, eight hundred".