1255224044250 has 192 divisors, whose sum is σ = 3717108869760. Its totient is φ = 303111168000.

The previous prime is 1255224044219. The next prime is 1255224044359. The reversal of 1255224044250 is 524404225521.

1255224044250 is a `hidden beast` number, since 1 + 2 + 5 + 5 + 224 + 0 + 4 + 425 + 0 = 666.

It is a Curzon number.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 6262081 + ... + 6459419.

It is an arithmetic number, because the mean of its divisors is an integer number (19359942030).

Almost surely, 2^{1255224044250} is an apocalyptic number.

1255224044250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1255224044250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1858554434880).

1255224044250 is an abundant number, since it is smaller than the sum of its proper divisors (2461884825510).

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

1255224044250 is a wasteful number, since it uses less digits than its factorization.

1255224044250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197630 (or 197617 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 36.

Adding to 1255224044250 its reverse (524404225521), we get a palindrome (1779628269771).

The spelling of 1255224044250 in words is "one trillion, two hundred fifty-five billion, two hundred twenty-four million, forty-four thousand, two hundred fifty".