265266730716 has 96 divisors (see below), whose sum is σ = 674399835648. Its totient is φ = 80667014400.

The previous prime is 265266730649. The next prime is 265266730787. The reversal of 265266730716 is 617037662562.

265266730716 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4611951 + ... + 4669113.

It is an arithmetic number, because the mean of its divisors is an integer number (7024998288).

Almost surely, 2^265266730716 is an apocalyptic number.

265266730716 is a gapful number since it is divisible by the number (26) 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 265266730716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (337199917824).

265266730716 is an abundant number, since it is smaller than the sum of its proper divisors (409133104932).

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

265266730716 is a wasteful number, since it uses less digits than its factorization.

265266730716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57531 (or 57529 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 51.

The spelling of 265266730716 in words is "two hundred sixty-five billion, two hundred sixty-six million, seven hundred thirty thousand, seven hundred sixteen".