255435830 has 32 divisors (see below), whose sum is σ = 495881568. Its totient is φ = 94176000.

The previous prime is 255435821. The next prime is 255435841. The reversal of 255435830 is 38534552.

It is a congruent number.

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, 140930 + ... + 142730.

It is an arithmetic number, because the mean of its divisors is an integer number (15496299).

Almost surely, 2^255435830 is an apocalyptic number.

255435830 is a deficient number, since it is larger than the sum of its proper divisors (240445738).

255435830 is a wasteful number, since it uses less digits than its factorization.

255435830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2912.

The product of its (nonzero) digits is 72000, while the sum is 35.

The square root of 255435830 is about 15982.3599634097. The cubic root of 255435830 is about 634.4936381122.

The spelling of 255435830 in words is "two hundred fifty-five million, four hundred thirty-five thousand, eight hundred thirty".