265920928 has 96 divisors (see below), whose sum is σ = 656885376. Its totient is φ = 103154688.

The previous prime is 265920911. The next prime is 265920929. The reversal of 265920928 is 829029562.

265920928 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (265920929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153475 + ... + 155197.

It is an arithmetic number, because the mean of its divisors is an integer number (6842556).

Almost surely, 2^265920928 is an apocalyptic number.

265920928 is a gapful number since it is divisible by the number (28) 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 265920928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (328442688).

265920928 is an abundant number, since it is smaller than the sum of its proper divisors (390964448).

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

265920928 is a wasteful number, since it uses less digits than its factorization.

265920928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1806 (or 1798 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 265920928 is about 16307.0821424312. The cubic root of 265920928 is about 643.0590272551.

The spelling of 265920928 in words is "two hundred sixty-five million, nine hundred twenty thousand, nine hundred twenty-eight".