265984242 has 8 divisors (see below), whose sum is σ = 531968496. Its totient is φ = 88661412.

The previous prime is 265984237. The next prime is 265984253. The reversal of 265984242 is 242489562.

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

265984242 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 265984194 and 265984203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22165348 + ... + 22165359.

It is an arithmetic number, because the mean of its divisors is an integer number (66496062).

Almost surely, 2^265984242 is an apocalyptic number.

265984242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

265984242 is a wasteful number, since it uses less digits than its factorization.

265984242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44330712.

The product of its digits is 276480, while the sum is 42.

The square root of 265984242 is about 16309.0233306596. The cubic root of 265984242 is about 643.1100592275.

The spelling of 265984242 in words is "two hundred sixty-five million, nine hundred eighty-four thousand, two hundred forty-two".