255450042 has 12 divisors (see below), whose sum is σ = 553475130. Its totient is φ = 85150008.

The previous prime is 255450037. The next prime is 255450043. The reversal of 255450042 is 240054552.

It can be written as a sum of positive squares in only one way, i.e., 221682321 + 33767721 = 14889^2 + 5811^2 .

It is a junction number, because it is equal to n+sod(n) for n = 255449988 and 255450015.

It is not an unprimeable number, because it can be changed into a prime (255450043) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 7095817 + ... + 7095852.

Almost surely, 2^255450042 is an apocalyptic number.

255450042 is an abundant number, since it is smaller than the sum of its proper divisors (298025088).

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

255450042 is a wasteful number, since it uses less digits than its factorization.

255450042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14191677 (or 14191674 counting only the distinct ones).

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

The square root of 255450042 is about 15982.8045724147. The cubic root of 255450042 is about 634.5054052637.

The spelling of 255450042 in words is "two hundred fifty-five million, four hundred fifty thousand, forty-two".