255280290 has 32 divisors (see below), whose sum is σ = 613287936. Its totient is φ = 68006400.

The previous prime is 255280271. The next prime is 255280321. The reversal of 255280290 is 92082552.

255280290 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Curzon 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, 30834 + ... + 38226.

It is an arithmetic number, because the mean of its divisors is an integer number (19165248).

Almost surely, 2^255280290 is an apocalyptic number.

255280290 is an abundant number, since it is smaller than the sum of its proper divisors (358007646).

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

255280290 is a wasteful number, since it uses less digits than its factorization.

255280290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8554.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 255280290 is about 15977.4932326695. The cubic root of 255280290 is about 634.3648266627.

The spelling of 255280290 in words is "two hundred fifty-five million, two hundred eighty thousand, two hundred ninety".