265160240 has 20 divisors (see below), whose sum is σ = 616497744. Its totient is φ = 106064064.

The previous prime is 265160209. The next prime is 265160279. The reversal of 265160240 is 42061562.

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a zygodrome in base 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1657172 + ... + 1657331.

Almost surely, 2^265160240 is an apocalyptic number.

265160240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

265160240 is an abundant number, since it is smaller than the sum of its proper divisors (351337504).

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

265160240 is a wasteful number, since it uses less digits than its factorization.

265160240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3314516 (or 3314510 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 265160240 is about 16283.7415847833. The cubic root of 265160240 is about 642.4452677869.

The spelling of 265160240 in words is "two hundred sixty-five million, one hundred sixty thousand, two hundred forty".