255420450 has 36 divisors (see below), whose sum is σ = 686230818. Its totient is φ = 68112000.

The previous prime is 255420443. The next prime is 255420467. The reversal of 255420450 is 54024552.

It can be written as a sum of positive squares in 3 ways, for example, as 243079281 + 12341169 = 15591^2 + 3513^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 283351 + ... + 284250.

Almost surely, 2^255420450 is an apocalyptic number.

255420450 is an abundant number, since it is smaller than the sum of its proper divisors (430810368).

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

255420450 is a wasteful number, since it uses less digits than its factorization.

255420450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567619 (or 567611 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 255420450 is about 15981.8788006917. The cubic root of 255420450 is about 634.4809033965.

The spelling of 255420450 in words is "two hundred fifty-five million, four hundred twenty thousand, four hundred fifty".