255266442 has 24 divisors (see below), whose sum is σ = 560869920. Its totient is φ = 83889960.

The previous prime is 255266437. The next prime is 255266471. The reversal of 255266442 is 244662552.

255266442 is a `hidden beast` number, since 2 + 5 + 5 + 2 + 6 + 644 + 2 = 666.

It is a super-2 number, since 2×255266442² = 130321912822678728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 255266397 and 255266406.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98592 + ... + 101147.

It is an arithmetic number, because the mean of its divisors is an integer number (23369580).

Almost surely, 2^255266442 is an apocalyptic number.

255266442 is an abundant number, since it is smaller than the sum of its proper divisors (305603478).

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

255266442 is a wasteful number, since it uses less digits than its factorization.

255266442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199818 (or 199815 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

The square root of 255266442 is about 15977.0598671971. The cubic root of 255266442 is about 634.3533558163.

The spelling of 255266442 in words is "two hundred fifty-five million, two hundred sixty-six thousand, four hundred forty-two".