265242160 has 80 divisors (see below), whose sum is σ = 659770272. Its totient is φ = 98816000.

The previous prime is 265242151. The next prime is 265242199. The reversal of 265242160 is 61242562.

It is a tau number, because it is divible by the number of its divisors (80).

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, 136395 + ... + 138325.

Almost surely, 2^265242160 is an apocalyptic number.

265242160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 265242160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (329885136).

265242160 is an abundant number, since it is smaller than the sum of its proper divisors (394528112).

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

265242160 is a wasteful number, since it uses less digits than its factorization.

265242160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2062 (or 2056 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 265242160 is about 16286.2567829443. The cubic root of 265242160 is about 642.5114211155.

The spelling of 265242160 in words is "two hundred sixty-five million, two hundred forty-two thousand, one hundred sixty".