255042330 has 32 divisors (see below), whose sum is σ = 648108864. Its totient is φ = 64010496.

The previous prime is 255042323. The next prime is 255042341. The reversal of 255042330 is 33240552.

It is a self number, because there is not a number n which added to its sum of digits gives 255042330.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249532 + ... + 250551.

It is an arithmetic number, because the mean of its divisors is an integer number (20253402).

Almost surely, 2^255042330 is an apocalyptic number.

255042330 is an abundant number, since it is smaller than the sum of its proper divisors (393066534).

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

255042330 is a wasteful number, since it uses less digits than its factorization.

255042330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500110.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 255042330 is about 15970.0447713837. The cubic root of 255042330 is about 634.1676572660.

Adding to 255042330 its reverse (33240552), we get a palindrome (288282882).

The spelling of 255042330 in words is "two hundred fifty-five million, forty-two thousand, three hundred thirty".