255133081450 has 48 divisors (see below), whose sum is σ = 511668735480. Its totient is φ = 94089150720.

The previous prime is 255133081417. The next prime is 255133081459. The reversal of 255133081450 is 54180331552.

255133081450 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 505107²+1.

It can be written as a sum of positive squares in 12 ways, for example, as 20002162041 + 235130919409 = 141429^2 + 484903^2 .

It is not an unprimeable number, because it can be changed into a prime (255133081459) 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, 302112 + ... + 775588.

Almost surely, 2^255133081450 is an apocalyptic number.

255133081450 is an abundant number, since it is smaller than the sum of its proper divisors (256535654030).

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

255133081450 is a wasteful number, since it uses less digits than its factorization.

255133081450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474331 (or 474326 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 37.

The spelling of 255133081450 in words is "two hundred fifty-five billion, one hundred thirty-three million, eighty-one thousand, four hundred fifty".