255310442 has 16 divisors (see below), whose sum is σ = 400083840. Its totient is φ = 121962192.

The previous prime is 255310421. The next prime is 255310501. The reversal of 255310442 is 244013552.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43859 + ... + 49337.

It is an arithmetic number, because the mean of its divisors is an integer number (25005240).

Almost surely, 2^255310442 is an apocalyptic number.

255310442 is a deficient number, since it is larger than the sum of its proper divisors (144773398).

255310442 is a wasteful number, since it uses less digits than its factorization.

255310442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6517.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 255310442 is about 15978.4367821136. The cubic root of 255310442 is about 634.3898013226.

Adding to 255310442 its reverse (244013552), we get a palindrome (499323994).

The spelling of 255310442 in words is "two hundred fifty-five million, three hundred ten thousand, four hundred forty-two".