240090255 has 12 divisors (see below), whose sum is σ = 416156520. Its totient is φ = 128048112.

The previous prime is 240090239. The next prime is 240090281. The reversal of 240090255 is 552090042.

240090255 is a `hidden beast` number, since 2 + 400 + 9 + 0 + 255 = 666.

It is not a de Polignac number, because 240090255 - 2⁴ = 240090239 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2667625 + ... + 2667714.

It is an arithmetic number, because the mean of its divisors is an integer number (34679710).

Almost surely, 2^240090255 is an apocalyptic number.

240090255 is a deficient number, since it is larger than the sum of its proper divisors (176066265).

240090255 is a wasteful number, since it uses less digits than its factorization.

240090255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5335350 (or 5335347 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 240090255 is about 15494.8460786159. The cubic root of 240090255 is about 621.5243923359.

The spelling of 240090255 in words is "two hundred forty million, ninety thousand, two hundred fifty-five".