255945492 has 54 divisors (see below), whose sum is σ = 711148074. Its totient is φ = 77557920.

The previous prime is 255945491. The next prime is 255945511. The reversal of 255945492 is 294549552.

255945492 is a `hidden beast` number, since 2 + 5 + 594 + 54 + 9 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 253000836 + 2944656 = 15906^2 + 1716^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255945491) by changing a digit.

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, 25023 + ... + 33734.

Almost surely, 2^255945492 is an apocalyptic number.

255945492 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

255945492 is an abundant number, since it is smaller than the sum of its proper divisors (455202582).

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

255945492 is a wasteful number, since it uses less digits than its factorization.

255945492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58789 (or 58773 counting only the distinct ones).

The product of its digits is 648000, while the sum is 45.

The square root of 255945492 is about 15998.2965343189. The cubic root of 255945492 is about 634.9153519340.

The spelling of 255945492 in words is "two hundred fifty-five million, nine hundred forty-five thousand, four hundred ninety-two".