255042520 has 32 divisors (see below), whose sum is σ = 574308720. Its totient is φ = 101934720.

The previous prime is 255042493. The next prime is 255042521. The reversal of 255042520 is 25240552.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255042521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81790 + ... + 84850.

Almost surely, 2^255042520 is an apocalyptic number.

255042520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255042520 is an abundant number, since it is smaller than the sum of its proper divisors (319266200).

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

255042520 is a wasteful number, since it uses less digits than its factorization.

255042520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5155 (or 5151 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 255042520 is about 15970.0507200196. The cubic root of 255042520 is about 634.1678147455.

The spelling of 255042520 in words is "two hundred fifty-five million, forty-two thousand, five hundred twenty".