255502225000 has 192 divisors, whose sum is σ = 659770272000. Its totient is φ = 91980000000.

The previous prime is 255502224983. The next prime is 255502225003. The reversal of 255502225000 is 522205552.

It is a self number, because there is not a number n which added to its sum of digits gives 255502225000.

It is not an unprimeable number, because it can be changed into a prime (255502225003) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27770401 + ... + 27779599.

It is an arithmetic number, because the mean of its divisors is an integer number (3436303500).

Almost surely, 2^255502225000 is an apocalyptic number.

255502225000 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 255502225000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (329885136000).

255502225000 is an abundant number, since it is smaller than the sum of its proper divisors (404268047000).

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

255502225000 is a wasteful number, since it uses less digits than its factorization.

255502225000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9342 (or 9318 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 28.

The spelling of 255502225000 in words is "two hundred fifty-five billion, five hundred two million, two hundred twenty-five thousand".