265740928 has 64 divisors (see below), whose sum is σ = 550897920. Its totient is φ = 127549440.

The previous prime is 265740913. The next prime is 265740929. The reversal of 265740928 is 829047562.

265740928 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (265740929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 765651 + ... + 765997.

It is an arithmetic number, because the mean of its divisors is an integer number (8607780).

Almost surely, 2^265740928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 265740928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275448960).

265740928 is an abundant number, since it is smaller than the sum of its proper divisors (285156992).

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

265740928 is a wasteful number, since it uses less digits than its factorization.

265740928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585 (or 573 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 265740928 is about 16301.5621337343. The cubic root of 265740928 is about 642.9139004655.

The spelling of 265740928 in words is "two hundred sixty-five million, seven hundred forty thousand, nine hundred twenty-eight".