255109042 has 8 divisors (see below), whose sum is σ = 382741632. Its totient is φ = 127528500.

The previous prime is 255109037. The next prime is 255109051. The reversal of 255109042 is 240901552.

255109042 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 255109042.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3367 + ... + 22837.

It is an arithmetic number, because the mean of its divisors is an integer number (47842704).

Almost surely, 2^255109042 is an apocalyptic number.

255109042 is a deficient number, since it is larger than the sum of its proper divisors (127632590).

255109042 is a wasteful number, since it uses less digits than its factorization.

255109042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26024.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 255109042 is about 15972.1332952114. The cubic root of 255109042 is about 634.2229460025. Note that the first 3 decimals are identical.

The spelling of 255109042 in words is "two hundred fifty-five million, one hundred nine thousand, forty-two".