265550466 has 8 divisors (see below), whose sum is σ = 531100944. Its totient is φ = 88516820.

The previous prime is 265550459. The next prime is 265550471. The reversal of 265550466 is 664055562.

It is a happy number.

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

265550466 is an admirable number.

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, 22129200 + ... + 22129211.

It is an arithmetic number, because the mean of its divisors is an integer number (66387618).

Almost surely, 2^265550466 is an apocalyptic number.

265550466 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.

265550466 is a wasteful number, since it uses less digits than its factorization.

265550466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44258416.

The product of its (nonzero) digits is 216000, while the sum is 39.

The square root of 265550466 is about 16295.7192538409. The cubic root of 265550466 is about 642.7602672080.

The spelling of 265550466 in words is "two hundred sixty-five million, five hundred fifty thousand, four hundred sixty-six".